December weather forecastMersuay, France
December
Weather in December
December, the first month of the winter in Mersuay, is also a wintry month, with an average temperature varying between 0.3°C (32.5°F) and 5.1°C (41.2°F).Temperature
In Mersuay, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's frosty 8.5°C (47.3°F) to an icy 5.1°C (41.2°F). Throughout December, Mersuay reports a steady low-temperature average of 0.3°C (32.5°F), slightly lower than its daytime counterpart.Humidity
The months with the highest humidity in Mersuay, France, are January and December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.5 days and typically aggregates up to 99mm (3.9") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Mersuay, France, during December, snow falls for 5.5 days and regularly aggregates up to 69mm (2.72") of snow. In Mersuay, during the entire year, snow falls for 21.8 days and aggregates up to 277mm (10.91") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:03 and sunset at 16:45. On the last day of December, in Mersuay, sunrise is at 08:24 and sunset at 16:53 CET.
Sunshine
With an average of 4.1h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mersuay. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mersuay, France
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Mersuay, France
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in December
Mersuay, France
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in December
Mersuay, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in December
Mersuay, France
- Average rainfall in December: 99mm
The wettest month (with the highest rainfall) is December (99mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in December
Mersuay, France
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is September (11.6 days).
Average snowfall in December
Mersuay, France
- Average snowfall in December: 69mm
The month with the highest snowfall is January (89mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Mersuay, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mersuay, France
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Mersuay, France
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in December
Mersuay, 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
Mersuay, France
- Average cloud cover in December: 59
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Mersuay, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April and August (9km).
The months with the lowest visibility are January, May, June, July, September, October, November and December (8km).





