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
The dawn of December sees an average high-temperature of a frosty 7.5°C (45.5°F), subtly contrasting with November's 10.2°C (50.4°F). Mont-Saint-Aignan's nights throughout December are marked by an average low temperature of 2.9°C (37.2°F), a minor drop from the day's high.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall in Mont-Saint-Aignan. Rain falls for 16.2 days and accumulates 60mm (2.36") of precipitation.Snowfall
Months with snowfall in Mont-Saint-Aignan are January through March, November and December. In Mont-Saint-Aignan, during December, snow falls for 1.3 days and regularly aggregates up to 12mm (0.47") of snow. Throughout the year, in Mont-Saint-Aignan, there are 7 snowfall days, and 43mm (1.69") of snow is accumulated.Daylight
December has the shortest days of the year in Mont-Saint-Aignan, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:30 and sunset at 16:59. On the last day of the month, sunrise is at 08:51 and sunset at 17:06 CET.
Sunshine
In Mont-Saint-Aignan, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Mont-Saint-Aignan in December?
What is the most humid month in Mont-Saint-Aignan?
What is the average humidity in December in Mont-Saint-Aignan?
What is the rainiest month in Mont-Saint-Aignan?
How many days does it rain in December in Mont-Saint-Aignan?
How many days does it snow in December in Mont-Saint-Aignan?
What is the month with the shortest days in Mont-Saint-Aignan?
How many hours of daylight does Mont-Saint-Aignan have in December?
When are sunrise and sunset in December in Mont-Saint-Aignan?
How many hours of sunshine does Mont-Saint-Aignan have in December?
What are the months with the lowest UV index in Mont-Saint-Aignan?
What is the UV index reading in December in Mont-Saint-Aignan?
Average temperature in December
Mont-Saint-Aignan, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Mont-Saint-Aignan, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Mont-Saint-Aignan, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Mont-Saint-Aignan, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Mont-Saint-Aignan, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Mont-Saint-Aignan, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in December
Mont-Saint-Aignan, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Mont-Saint-Aignan, France
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.3 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
Mont-Saint-Aignan, France
- Average daylight in December: 8h and 1min
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 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Mont-Saint-Aignan, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Mont-Saint-Aignan, France
- Average UV index in December: 2
The month with the highest UV index is 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-Saint-Aignan, France
- Average cloud cover in December: 62
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in December
Mont-Saint-Aignan, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Mont-Saint-Aignan, France
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