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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's refreshing 13.5°C (56.3°F) to a fresh 10°C (50°F). Gratens experiences a mean low-temperature of 4.2°C (39.6°F) during December.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Gratens, during December, the rain falls for 13.2 days and regularly aggregates up to 38mm (1.5") of precipitation. In Gratens, France, during the entire year, the rain falls for 165.1 days and collects up to 523mm (20.59") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Gratens, in December, snow falls for 1.2 days, with typically accumulated 9mm (0.35") of snow. Throughout the year, there are 6.5 snowfall days, and 53mm (2.09") of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Gratens.On the first day of the month, sunrise is at 08:08 and sunset at 17:21. On the last day of December, sunrise is at 08:27 and sunset at 17:29 CET.
Sunshine
In December, the average sunshine is 5.1h.UV index
The average daily maximum UV index in December in Gratens 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 ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the average December temperature in Gratens?
What are the most humid months in Gratens?
What is the average humidity in December in Gratens?
How much does it rain in Gratens in December?
How many days does it snow in December in Gratens?
What is the month with the shortest days in Gratens?
How many hours of daylight does Gratens have in December?
When is the sunrise / sunset in December in Gratens?
How many hours of sunshine does Gratens have in December?
What is the UV index intensity in December in Gratens?
Average temperature in December
Gratens, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in December
Gratens, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Gratens, France
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).
Average humidity in December
Gratens, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Gratens, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Gratens, France
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Gratens, France
- Average snowfall in December: 9mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Gratens, France
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Gratens, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Gratens, France
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Gratens, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Gratens, France
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Gratens, France
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
Gratens, France
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