December weather forecastMarnaz, France
December
Weather in December
The first month of the winter, December, is also an icy month in Marnaz, France, with an average temperature fluctuating between -4.4°C (24.1°F) and 2.5°C (36.5°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a chilly 6.9°C (44.4°F) in November to an icy 2.5°C (36.5°F). During the month of December, the nighttime temperature in Marnaz falls to an average of -4.4°C (24.1°F).Humidity
In December, the average relative humidity in Marnaz is 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 5.2 days and typically aggregates up to 34mm (1.34") of precipitation.Snowfall
Months with snowfall in Marnaz are January through May, October through December. The month with the most snowfall in Marnaz is December, when snow falls for 7.9 days and typically aggregates up to 73mm (2.87") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:55 and sunset at 16:50. On the last day of December, in Marnaz, France, sunrise is at 08:15 and sunset at 16:58 CET.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in Marnaz are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marnaz, France
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in December: -4.4°C
The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).
Average pressure in December
Marnaz, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Marnaz, France
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is December (8.2km/h).
The calmest months (with the lowest average wind speed) are August and September (6.3km/h).
Average humidity in December
Marnaz, France
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Marnaz, France
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is December (34mm).
The driest month (with the least rainfall) is September (7mm).
Average rainfall days in December
Marnaz, France
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is June (11.4 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Marnaz, France
- Average snowfall in December: 73mm
The month with the highest snowfall is December (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Marnaz, France
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marnaz, France
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 6min
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 6min).
Average sunshine days in December
Marnaz, France
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in December
Marnaz, France
- 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, March, November and December (UV index 2).
Average cloud cover in December
Marnaz, France
- Average cloud cover in December: 44
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Marnaz, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).





