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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 10.1°C (50.2°F) to a frosty 7.1°C (44.8°F). Le Grais maintains a near steady average temperature of 2.4°C (36.3°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
In Le Grais, during December, the rain falls for 16 days and regularly aggregates up to 64mm (2.52") of precipitation. In Le Grais, during the entire year, the rain falls for 190.6 days and collects up to 566mm (22.28") of precipitation.Snowfall
Months with snowfall in Le Grais are January through April, November and December. The month with the most snowfall in Le Grais is December, when snow falls for 1.8 days and typically aggregates up to 32mm (1.26") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Le Grais.On the first day of December, sunrise is at 08:33 and sunset at 17:07. On the last day of the month, sunrise is at 08:53 and sunset at 17:15 CET.
Sunshine
The average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the temperature in December in Le Grais?
What is the most humid month in Le Grais?
What is the average humidity in December in Le Grais?
How many days does it rain in December in Le Grais?
When does it snow the most in Le Grais?
How many days does it snow in December in Le Grais?
What is the month with the shortest days in Le Grais?
How many hours of daylight does Le Grais have in December?
What time are sunrise and sunset in December in Le Grais?
How many hours of sunshine does Le Grais have in December?
When is the lowest UV index in Le Grais?
What is the UV index intensity in December in Le Grais?
Average temperature in December
Le Grais, France
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.4°C
The months with the highest average low temperature are July and August (12.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Le Grais, France
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Le Grais, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Le Grais, France
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Le Grais, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Le Grais, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in December
Le Grais, France
- Average snowfall in December: 32mm
The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Le Grais, France
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Le Grais, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Le Grais, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in December
Le Grais, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Le Grais, France
- Average cloud cover in December: 61
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in December
Le Grais, France
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
Le Grais, France
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