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
December
Weather in December
Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's fresh 10.1°C (50.2°F) to a chilly 6.7°C (44.1°F). December nights in Mesnil-Lettre, France, witness a slight temperature decrease, averaging at a cold 2.1°C (35.8°F).Humidity
With an average relative humidity of 88%, December is the most humid month in Mesnil-Lettre, France.Rainfall
In Mesnil-Lettre, in December, it is raining for 16.5 days, with typically 53mm (2.09") of accumulated precipitation. In Mesnil-Lettre, during the entire year, the rain falls for 180.5 days and collects up to 499mm (19.65") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Mesnil-Lettre, in December, during 3.3 snowfall days, 25mm (0.98") of snow is typically accumulated. In Mesnil-Lettre, during the entire year, snow falls for 12.4 days and aggregates up to 89mm (3.5") of snow.Daylight
The month with the shortest days in Mesnil-Lettre is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 08:13 and sunset at 16:50. On the last day of the month, sunrise is at 08:34 and sunset at 16:57 CET.
Sunshine
The average sunshine in December in Mesnil-Lettre 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Mesnil-Lettre?
What is the most humid month in Mesnil-Lettre?
What is the average humidity in December in Mesnil-Lettre?
How many days does it rain in December in Mesnil-Lettre?
How much does it snow in Mesnil-Lettre in December?
What is the month with the shortest days in Mesnil-Lettre?
What is the average length of the day in December in Mesnil-Lettre?
What time are sunrise and sunset in December in Mesnil-Lettre?
How many hours of sunshine does Mesnil-Lettre have in December?
What is the month with the lowest UV index in Mesnil-Lettre?
How high is the UV index in December in Mesnil-Lettre?
Average temperature in December
Mesnil-Lettre, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in December
Mesnil-Lettre, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in December
Mesnil-Lettre, France
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Mesnil-Lettre, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Mesnil-Lettre, France
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Mesnil-Lettre, France
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in December
Mesnil-Lettre, France
- Average snowfall in December: 25mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Mesnil-Lettre, France
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (3.8 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
Mesnil-Lettre, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Mesnil-Lettre, France
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Mesnil-Lettre, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mesnil-Lettre, France
- Average cloud cover in December: 61
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Mesnil-Lettre, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).
