December weather forecastL'Aumône, Guernsey
December weather for L'Aumône, Guernsey: December has the least sunshine of the year in L'Aumône, Guernsey, with an average of 3.8h of sunshine. November and December, with an average relative humidity of 77%, are the least humid months in L'Aumône.
December
Weather in December
December brings forth the official start of winter, greeting L'Aumône with the year's lowest temperatures. The city experiences shorter daylight durations, leading to lengthy evening hours. Although snowfall is rare, rainfall remains frequent, creating wet and cold outdoor conditions. The average December high temperature is around 11.1°C (52°F), while the average low is around 9.2°C (48.6°F). As the city moves towards the new year, it gears up for the comeback of the characteristic chilly and wet January weather.Temperature
As L'Aumône steps into December, the average high-temperature is measured at a cool 11.1°C (52°F), displaying minor differences from November's 13.2°C (55.8°F). In December, L'Aumône's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 9.2°C (48.6°F).Humidity
November and December, with an average relative humidity of 77%, are the least humid months in L'Aumône.Rainfall
In December, the rain falls for 20.5 days. Throughout December, 59mm (2.32") of precipitation is accumulated. Throughout the year, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
In L'Aumône, 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 the month, sunrise is at 07:45 and sunset at 16:13. On the last day of December, sunrise is at 08:06 and sunset at 16:20 GMT.
Sunshine
December has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in December translates into these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
L'Aumône, 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 (15.7°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in December
L'Aumône, Guernsey
- Average pressure in December: 1016.6mbar
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
L'Aumône, 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
L'Aumône, 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
L'Aumône, Guernsey
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
L'Aumône, Guernsey
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in December
L'Aumône, 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
L'Aumône, 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
L'Aumône, Guernsey
- Average daylight in December: 8h and 12min
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 48min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
L'Aumône, Guernsey
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4.2 days).
Average UV index in December
L'Aumône, 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
L'Aumône, Guernsey
- Average cloud cover in December: 62
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
L'Aumône, 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).
