Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December in Grandes Capelles brings an average high-temperature of a fresh 11.1°C (52°F), subtly diverging from November's 13°C (55.4°F). Nights in Grandes Capelles during December maintain a steady temperature, averaging at a frosty 9.2°C (48.6°F).Humidity
The months with the lowest humidity in Grandes Capelles are November and December, with an average relative humidity of 77%.Rainfall
In Grandes Capelles, in December, during 21.4 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, in Grandes Capelles, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
In Grandes Capelles, snow does not fall in February through December.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:45 and sunset at 16:13. On the last day of the month, sunrise is at 08:06 and sunset at 16:20 GMT.
Sunshine
The months with the least sunshine are January, November and December, with an average of 3.9h of sunshine.UV index
The average daily maximum UV index in December in Grandes Capelles, Guernsey, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Grandes Capelles?
What are the least humid months in Grandes Capelles?
What is the average humidity in December in Grandes Capelles?
How many days does it rain in December in Grandes Capelles?
When it does not snow in Grandes Capelles?
Does it snow in Grandes Capelles in December?
What is the month with the shortest days in Grandes Capelles?
What is the average length of the day in December in Grandes Capelles?
When is the sunrise / sunset in December in Grandes Capelles?
What is the month with the least sunshine in Grandes Capelles?
How long on average sun shines in December in Grandes Capelles?
How high is the UV index in December in Grandes Capelles?
Average temperature in December
Grandes Capelles, Guernsey
- Average high temperature in December: 11.1°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).
- Average low temperature in December: 9.2°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in December
Grandes Capelles, Guernsey
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
Grandes Capelles, Guernsey
- Average wind speed in December: 36km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in December
Grandes Capelles, Guernsey
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in December
Grandes Capelles, Guernsey
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
Grandes Capelles, Guernsey
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in December
Grandes Capelles, Guernsey
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Grandes Capelles, Guernsey
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Grandes Capelles, Guernsey
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Grandes Capelles, Guernsey
- Average sunshine days in December: 5.3 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).
Average UV index in December
Grandes Capelles, Guernsey
- Average UV index in December: 3
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Grandes Capelles, Guernsey
- Average cloud cover in December: 63
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Grandes Capelles, Guernsey
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Grandes Capelles, Guernsey
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