December weather forecastMerten, France
December
Weather in December
The first month of the winter, December, is also an icy month in Merten, France, with an average temperature ranging between max 4.8°C (40.6°F) and min 0.5°C (32.9°F).Temperature
As Merten enters December, the average high-temperature subtly lowers from the a frosty 8.1°C (46.6°F) of November to a cold 4.8°C (40.6°F). Merten sees a gentle drop from the daily peak temperature in December, with an average low settling at 0.5°C (32.9°F).Humidity
The most humid month in Merten is December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall. Rain falls for 14.7 days and accumulates 66mm (2.6") of precipitation.Snowfall
January through May, October through December are months with snowfall in Merten, France. In Merten, France, in December, snow falls for 6.5 days, with typically accumulated 63mm (2.48") of snow. Throughout the year, in Merten, there are 28.9 snowfall days, and 246mm (9.69") of snow is accumulated.Daylight
The month with the shortest days in Merten, France, is December, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 08:07 and sunset at 16:37. On the last day of the month, sunrise is at 08:28 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Merten. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merten, France
- Average high temperature in December: 4.8°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Merten, France
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in December
Merten, France
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is February (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Merten, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Merten, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Merten, France
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Merten, France
- Average snowfall in December: 63mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Merten, France
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merten, France
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Merten, France
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in December
Merten, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Merten, France
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Merten, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).





