December weather forecastMérigny, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Mérigny, France, with temperature in the range of an average high of 8.5°C (47.3°F) and an average low of 3.6°C (38.5°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a cool 11.8°C (53.2°F) in November to a frosty 8.5°C (47.3°F). Nighttime temperature in Mérigny reflects an average dip to a wintry 3.6°C (38.5°F) in December, subtly cooler than its daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In December, in Mérigny, the rain falls for 13.7 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Mérigny, during the entire year, the rain falls for 150 days and collects up to 366mm (14.41") of precipitation.Snowfall
January through March, November and December are months with snowfall in Mérigny. In December, it is snowing for 0.9 days. Throughout December, 2mm (0.08") of snow is accumulated. Throughout the year, in Mérigny, France, there are 4.1 snowfall days, and 14mm (0.55") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 17:10. On the last day of December, in Mérigny, sunrise is at 08:40 and sunset at 17:18 CET.
Sunshine
In December, the average sunshine in Mérigny is 4.5h.UV index
In Mérigny, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mérigny, France
- Average high temperature in December: 8.5°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 (7.6°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in December
Mérigny, France
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in December
Mérigny, France
- Average wind speed in December: 16.5km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Mérigny, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Mérigny, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Mérigny, France
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.1 days).
Average snowfall in December
Mérigny, France
- Average snowfall in December: 2mm
The months with the highest snowfall are January and February (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Mérigny, France
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.3 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
Mérigny, France
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Mérigny, France
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in December
Mérigny, France
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Mérigny, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Mérigny, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





