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
As L'Islet welcomes December, the average high-temperature stabilizes at a cool 11.1°C (52°F), showing little deviation from November's 13.2°C (55.8°F). L'Islet, during December nights, experiences a subtle shift to a low average of 9.2°C (48.6°F) from the day's heat.Humidity
November and December, with an average relative humidity of 77%, are the least humid months in L'Islet, Guernsey.Rainfall
In L'Islet, during December, the rain falls for 20.5 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
February through December are months without snowfall.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
With an average of 3.8h of sunshine, December has the least sunshine of the year in L'Islet.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 during December translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the temperature in December in L'Islet?
What is the least humid month in L'Islet?
What is the average humidity in December in L'Islet?
How many days does it rain in December in L'Islet?
When it does not snow in L'Islet?
Does it snow in L'Islet in December?
What is the month with the shortest days in L'Islet?
How many hours of daylight does L'Islet have in December?
What time are sunrise and sunset in December in L'Islet?
What is the month with the least sunshine in L'Islet?
How long on average sun shines in December in L'Islet?
How high is the UV index in December in L'Islet?
Average temperature in December
L'Islet, 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'Islet, 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'Islet, 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'Islet, 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'Islet, 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'Islet, 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'Islet, 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'Islet, 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'Islet, 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 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
L'Islet, 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'Islet, 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'Islet, 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'Islet, 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).
L'Islet, Guernsey
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