Guernsey Weather Forecasts. When available, historical temperature and dew point measurements are taken directly from this weather station. Guernsey Weather giving you accurate weather updates each day! MERRA-2 Modern-Era Retrospective Analysis. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Here are the average temperatures. The darker period of the year lasts for 3.8 months, from October 25 to February 20, with an average daily incident shortwave energy per square meter below 2.0 kWh. Toggle navigation. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Guernsey, Guernsey, GG The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required. The shaded overlays indicate night and civil twilight. The Met Office said the UK’s “year of extremes” was on course to be the third or fourth warmest year on record, and … The climate of Guernsey is oceanic, cool and humid throughout the year. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The shaded overlays indicate night and civil twilight. The length of the day at Guernsey Airport varies extremely over the course of the year. Last updated today at 19:50. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The brightest day of the year is June 24, with an average of 6.8 kWh. Every year, the island of Guernsey enjoys up to 2,000 hours of sunny weather, with the hottest months being from May to October. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Guernsey Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. Over the course of the year, the temperature typically varies from 42°F to 68°F and is rarely below 35°F or above 74°F. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). In Saint Peter Port, the summers are comfortable and windy; the winters are long, cold, wet, and extremely windy; and it is partly cloudy year round. Based on growing degree days alone, the first spring blooms at Guernsey Airport should appear around May 4, only rarely appearing before April 16 or after May 24. Shortwave radiation includes visible light and ultraviolet radiation. Rain falls throughout the year at Guernsey Airport. The predominant average hourly wind direction at Guernsey Airport is from the west throughout the year. Based on this score, the best time of year to visit Saint Peter Port for hot-weather activities is from mid July to mid August, with a peak score in the first week of August. On July 24, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 57% of the time, and overcast or mostly cloudy 43% of the time. The length of the day in Saint Peter Port varies extremely over the course of the year. The brighter period of the year lasts for 3.3 months, from May 6 to August 16, with an average daily incident shortwave energy per square meter above 5.6 kWh. The time of year with warmer water lasts for 3.3 months, from July 13 to October 23, with an average temperature above 59°F. Daylight saving time (DST) is observed in Saint Peter Port during 2021, starting in the spring on March 28, lasting 7.1 months, and ending in the fall on October 31. August is the hottest month in Guernsey with an average temperature of 16.5°C (62°F) and the coldest is February at 5.5°C (42°F) with the most daily sunshine hours at 8 in July. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The average hourly wind speed at Guernsey Airport experiences extreme seasonal variation over the course of the year. Lower dew points feel drier and higher dew points feel more humid. On July 24, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 57% of the time, and overcast or mostly cloudy 43% of the time. The number of hours during which the Sun is visible (black line). Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Time zones for airports and weather stations are provided by AskGeo.com . In spring, the landscape is in bloom, however, in May and June, fog and clouds are more frequent. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The black line is the percentage chance that a given day is within the growing season. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Calendar overview of Months Weather Forecast. The best month to swim in the sea is in August when the average sea temperature is 17°C (63°F). While it does not do so every year, freezing temperatures are seen in Saint Peter Port over some winters. The shaded overlays indicate night and civil twilight. The coldest day of the year is February 18, with an average low of 42°F and high of 48°F. The most rain falls during the 31 days centered around December 16, with an average total accumulation of 3.1 inches. The windier part of the year lasts for 5.7 months, from October 6 to March 30, with average wind speeds of more than 16.3 miles per hour. The solar day over the course of the year 2021. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Saint Peter Port. Dec January 2021 . For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The day least likely to be in the growing season is January 16, with a 59% chance. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The calmer time of year lasts for 6.3 months, from March 30 to October 6. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The windiest day of the year is January 1, with an average hourly wind speed of 20.7 miles per hour. The cloudier part of the year begins around October 12 and lasts for 5.6 months, ending around March 31. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. Weather warnings issued. The cool season lasts for 4.0 months, from November 30 to April 1, with an average daily high temperature below 52°F. In 2021, the shortest day is December 21, with 8 hours, 10 minutes of daylight; the longest day is June 21, with 16 hours, 17 minutes of daylight. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The figure below presents a compact representation of key lunar data for 2021. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The sunniest place in the UK, Guernsey's climate is temperate and boasts some of the most glorious sunrises and sunsets all year round that are not to be missed. The area within 2 miles of Guernsey Airport is covered by water (37%), grassland (27%), and trees (25%), within 10 miles by water (96%), and within 50 miles by water (94%). The smallest chance of a wet day is 16% on July 21. The smallest chance of a wet day is 16% on July 25. The percentage of time spent in various temperature bands. Classifications Within 50 miles contains only modest variations in elevation (705 feet). Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The most pleasant months of the year for Guernsey County are September, June and May. The chance of wet days in Saint Peter Port varies throughout the year. The Köppen-Geiger climate classification is Cfb. On average, it rains or snows a fair amount: 5 to 6 times per month. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The cloudier part of the year begins around October 12 and lasts for 5.6 months, ending around March 31. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. In Guernsey, the summers are hot and mostly clear; the winters are very cold, windy, and partly cloudy; and it is dry year round. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The drier season lasts 6.6 months, from March 13 to October 1. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Rain falls throughout the year in Saint Peter Port. support@__remove_this_part__weatherspark.com. July is the hottest month for Guernsey County with an average high temperature of 84.0°, which ranks it as about average compared to other places in Ohio. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The percentage of time spent at various humidity comfort levels, categorized by dew point. The average water temperature experiences some seasonal variation over the course of the year. The hottest day of the year is August 4, with an average high of 68°F and low of 59°F. Lower dew points feel drier and higher dew points feel more humid. Services. The figure below shows you a compact characterization of the entire year of hourly average temperatures. The thin dotted line is the corresponding average liquid-equivalent snowfall. Long Beach, Washington, United States (4,954 miles away); Scottsdale, Australia (10,897 miles); and Upper Hutt, New Zealand (11,863 miles) are the far-away foreign places with temperatures most similar to Saint Peter Port (view comparison). This section reports on the wide-area average surface temperature of that water. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The climate here is classified as BSk by the Köppen-Geiger system. There is little rainfall throughout the year. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The brighter period of the year lasts for 3.3 months, from May 6 to August 16, with an average daily incident shortwave energy per square meter above 5.6 kWh. Weather data is prone to errors, outages, and other defects. Jersey, United Kingdom: Annual Weather Averages July is the hottest month in Jersey with an average temperature of 16.5°C (62°F) and the coldest is January at 5.5°C (42°F) with the most daily sunshine hours at 8 in July. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Within 10 miles also contains only modest variations in elevation (410 feet). Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a … The day least likely to be in the growing season is January 16, with a 58% chance. Deliveroo has been valued at more than seven billion dollars (£5.1 billion) following a new funding round and ahead of a potential stock market flotation. The warm season lasts for 3.0 months, from June 20 to September 21, with an average daily high temperature above 64°F. The day of the year with the warmest water is August 28, with an average temperature of 62°F. Guernsey Weather. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The predominant average hourly wind direction in Saint Peter Port is from the west throughout the year. Based on the tourism score, the best time of year to visit Guernsey Airport for warm-weather activities is from late June to mid September. The clearer part of the year in Saint Peter Port begins around March 31 and lasts for 6.4 months, ending around October 12. Even the driest month still has a lot of rainfall. Saint Peter Port experiences significant seasonal variation in monthly rainfall. The windiest day of the year is January 1, with an average hourly wind speed of 20.8 miles per hour. The earliest sunset is at 4:10 PM on December 12, and the latest sunset is 5 hours, 10 minutes later at 9:20 PM on June 25. The stations on which we may fall back include but are not limited to Jersey Airport, Saint-Brieuc – Armor Airport, Dinard–Pleurtuit–Saint-Malo Airport, Lannion, Portland / Rnas, Cherbourg – Maupertus Airport, Exeter Airport, and Bournemouth Airport. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The stations contributing to this reconstruction are: Guernsey Airport (82%, 5.6 kilometers, southwest); Jersey Airport (12%, 37 kilometers, southeast); Cherbourg – Maupertus Airport (4.0%, 80 kilometers, east); and Portland / Rnas (2.1%, 123 kilometers, north). The topography within 2 miles of Saint Peter Port contains only modest variations in elevation, with a maximum elevation change of 341 feet and an average elevation above sea level of 77 feet. In Enero, the average high-temperature is practically the same as in Diciembre - a still frosty 8.7°C (47.7°F). The wetter season lasts 5.4 months, from October 1 to March 13, with a greater than 29% chance of a given day being a wet day. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The charity Vive La Vallette is in charge of the building project, and the States of Guernsey has committed itself … Guernsey climate summary The Guernsey lies on 1333m above sea level Guernsey's climate is a local steppe climate. Wind West to northwest light F3 to moderate F4, occasionally fresh F5 from mid-morning, increasing strong F6 for a time this evening, backing southerly light F3 overnight. Weather is too cold this time of year in Guernsey to be enjoyable for warm weather travelers. The Channel Islands can be visited all year round, but in winter, there can be bad weather periods, with wind and rain. Consider visiting Guernsey in the months of June, July, August, September, for the best beach weather.Also consider one of our other suggestions for August. Weather data is prone to errors, outages, and other defects. Over the course of the year, the temperature typically varies from 42°F to 68°F and is rarely below 35°F or above 74°F . Some of the more hard-core year-round swimmers took it a step further, swimming out to buoys or starting at Havelet and swimming the route round to the pools. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The figure below presents a compact representation of key lunar data for 2021. Based on the tourism score, the best time of year to visit Saint Peter Port for warm-weather activities is from late June to mid September. Annual Weather Averages. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The earliest sunrise is at 5:03 AM on June 16, and the latest sunrise is 3 hours, 3 minutes later at 8:06 AM on December 31. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. August is a slightly cold and rainy time for sunbathing in Guernsey.August is a little too cold to enjoy swimming in Guernsey for any length of time. At Guernsey Airport, the summers are comfortable and windy; the winters are long, cold, wet, and extremely windy; and it is partly cloudy year round. There is significant rainfall throughout the year in Guernsey. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Based on this score, the best time of year to visit Guernsey Airport for hot-weather activities is from mid July to mid August, with a peak score in the first week of August. To characterize how pleasant the weather is in Saint Peter Port throughout the year, we compute two travel scores. The earliest sunset is at 4:10 PM on December 11, and the latest sunset is 5 hours, 10 minutes later at 9:20 PM on June 26. WeatherTAB Guernsey Help °C °F. In Saint Peter Port, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The time of year with cooler water lasts for 3.9 months, from January 8 to May 4, with an average temperature below 51°F. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The day of the year with the coolest water is March 6, with an average temperature of 48°F. Guernsey Airport experiences significant seasonal variation in monthly rainfall. In this report, we use a base of 50°F and a cap of 86°F. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Best Times to Travel › Guernsey The transitions to and from daylight saving time are indicated by the 'DST' labels. Guernsey Airport - Weather warnings issued 14-day forecast. The darkest day of the year is December 27, with an average of 0.8 kWh. The thin dotted line is the corresponding average liquid-equivalent snowfall. The black line is the percentage chance that a given day is within the growing season. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. These times of year are fairly slow with tourists. Within 10 miles also contains only modest variations in elevation (413 feet). 2020 has been hailed as a “truly remarkable” weather year after featuring the sunniest spring and the wettest February on record. The number of hours during which the Sun is visible (black line). Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. At Guernsey Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Enter any city, zip or place. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. The shaded overlays indicate night and civil twilight. The climate of Jersey is very similar to that of the neighboring island of Guernsey, although it is slightly more exposed to both cold and heat, since it is closer to the continent. The hottest day of the year is August 4, with an average high of 68°F and low of 59°F. The darkest day of the year is December 27, with an average of 0.8 kWh. The chance of a wet day peaks at 41% on December 30. Based on growing degree days alone, the first spring blooms in Saint Peter Port should appear around May 3, only rarely appearing before April 14 or after May 24. The percentage of time spent in various temperature bands. The average water temperature experiences some seasonal variation over the course of the year. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Based on the tourism score, the best time of year to visit Guernsey Airport for warm-weather activities is from late June to mid September. The area within 2 miles of Saint Peter Port is covered by water (67%) and trees (18%), within 10 miles by water (95%), and within 50 miles by water (93%). Click on each chart for more information. Time zones for airports and weather stations are provided by AskGeo.com . This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Get the monthly weather forecast for Saint Peter Port, Saint Peter Port, Guernsey, including daily high/low, historical averages, to help you plan ahead. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The average hourly wind speed in Saint Peter Port experiences extreme seasonal variation over the course of the year. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. In 2021, the shortest day is December 21, with 8 hours, 9 minutes of daylight; the longest day is June 21, with 16 hours, 17 minutes of daylight. The perceived humidity level at Guernsey Airport, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout. The brightest day of the year is June 28, with an average of 6.8 kWh. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. 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