December weather forecastMont-devant-Sassey, France
December
Weather in December
The first month of the winter, December, is also a wintry month in Mont-devant-Sassey, France, with an average temperature varying between 0.5°C (32.9°F) and 4.5°C (40.1°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 8°C (46.4°F) to a wintry 4.5°C (40.1°F). Mont-devant-Sassey sees a minor drop to an average minimum temperature of 0.5°C (32.9°F) during the night in the month of December.Humidity
December is the most humid month in Mont-devant-Sassey, with an average relative humidity of 92%.Rainfall
December is the month with the most rainfall. Rain falls for 14.8 days and accumulates 74mm (2.91") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Mont-devant-Sassey, in December, snow falls for 5.9 days, with typically accumulated 56mm (2.2") of snow. In Mont-devant-Sassey, during the entire year, snow falls for 23.6 days and aggregates up to 203mm (7.99") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Mont-devant-Sassey, France, sunrise is at 08:14 and sunset at 16:42. On the last day of the month, sunrise is at 08:35 and sunset at 16:50 CET.
Sunshine
December has the least sunshine of the year in Mont-devant-Sassey, with an average of 3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mont-devant-Sassey. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mont-devant-Sassey, France
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.5°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Mont-devant-Sassey, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Mont-devant-Sassey, France
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Mont-devant-Sassey, France
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in December
Mont-devant-Sassey, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Mont-devant-Sassey, France
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in December
Mont-devant-Sassey, France
- Average snowfall in December: 56mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Mont-devant-Sassey, France
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mont-devant-Sassey, France
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Mont-devant-Sassey, France
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in December
Mont-devant-Sassey, 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, November and December (UV index 2).
Average cloud cover in December
Mont-devant-Sassey, France
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Mont-devant-Sassey, France
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
