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
December brings a slight decrease in the average high-temperature, shifting from a chilly 9.8°C (49.6°F) in November to a wintry 5.9°C (42.6°F). Throughout the month of December, Méry witnesses an average temperature of -1.2°C (29.8°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
December is the month with the most rainfall in Méry. Rain falls for 12.5 days and accumulates 117mm (4.61") of precipitation.Snowfall
January through May, October through December are months with snowfall in Méry. In Méry, in December, during 3.5 snowfall days, 54mm (2.13") of snow is typically accumulated. Throughout the year, there are 13.6 snowfall days, and 192mm (7.56") of snow is accumulated.Daylight
December has the shortest days of the year in Méry, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:56 and sunset at 16:54. On the last day of December, sunrise is at 08:16 and sunset at 17:02 CET.
Sunshine
In Méry, the average sunshine in December is 5.6h.UV index
The months with the lowest UV index in Méry are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
Is December cold in Méry?
What is the most humid month in Méry?
What is the average humidity in December in Méry?
What is the rainiest month in Méry?
How many days does it rain in December in Méry?
How many days does it snow in December in Méry?
What is the month with the shortest days in Méry?
How many hours of daylight does Méry have in December?
What time are sunrise and sunset in December in Méry?
How long on average sun shines in December in Méry?
When is the lowest UV index in Méry?
What is the UV index reading in December in Méry?
Average temperature in December
Méry, France
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in December
Méry, 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
Méry, France
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in December
Méry, 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 (74%).
Average rainfall in December
Méry, France
- Average rainfall in December: 117mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Méry, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in December
Méry, France
- Average snowfall in December: 54mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Méry, France
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Méry, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Méry, France
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in December
Méry, 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
Méry, France
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Méry, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
Méry, France
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