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
With the onset of December, L'Isle's climate undergoes a slight change as the average high-temperature moves from a frosty 8.5°C (47.3°F) in November to a wintry 4.7°C (40.5°F). In the month of December, L'Isle witnesses a consistent average low-temperature of -0.5°C (31.1°F).Humidity
The average relative humidity in December is 80%.Rainfall
The month with the most rainfall in L'Isle is December, when the rain falls for 13.8 days and typically aggregates up to 92mm (3.62") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 8.1 days and typically aggregates up to 193mm (7.6") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:58 and sunset at 16:48. On the last day of December, sunrise is at 08:18 and sunset at 16:56 CET.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in L'Isle.UV index
The months with the lowest UV index in L'Isle are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is it cold in L'Isle during December?
What is the average humidity in December in L'Isle?
What is the rainiest month in L'Isle?
How much does it rain in L'Isle in December?
When does it snow the most in L'Isle?
How much does it snow in L'Isle in December?
What is the month with the shortest days in L'Isle?
How many hours of daylight does L'Isle have in December?
What time are sunrise and sunset in December in L'Isle?
What is the month with the least sunshine in L'Isle?
How many hours of sunshine does L'Isle have in December?
When is the lowest UV index in L'Isle?
What is the UV index reading in December in L'Isle?
Average temperature in December
L'Isle, Switzerland
- Average high temperature in December: 4.7°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
L'Isle, Switzerland
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
L'Isle, Switzerland
- Average wind speed in December: 11.7km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in December
L'Isle, Switzerland
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
L'Isle, Switzerland
- Average rainfall in December: 92mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in December
L'Isle, Switzerland
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
L'Isle, Switzerland
- Average snowfall in December: 193mm
The month with the highest snowfall is December (193mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
L'Isle, Switzerland
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
L'Isle, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
L'Isle, Switzerland
- Average sunshine days in December: 13 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in December
L'Isle, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
L'Isle, Switzerland
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
L'Isle, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
L'Isle, Switzerland
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