December weather forecastMerschweiller, France
December
Weather in December
December, the first month of the winter in Merschweiller, is also a wintry month, with an average temperature varying between 4.8°C (40.6°F) and 0.8°C (33.4°F).Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a frosty 8.2°C (46.8°F) in November to a cold 4.8°C (40.6°F). Merschweiller's nighttime temperature in December shows a minor descent, with a steady average of 0.8°C (33.4°F).Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 71mm (2.8") of precipitation.Snowfall
Months with snowfall in Merschweiller are January through March, October through December. The month with the most snowfall in Merschweiller, France, is December, when snow falls for 6.2 days and typically aggregates up to 55mm (2.17") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:09 and sunset at 16:37. On the last day of December, sunrise is at 08:30 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine in Merschweiller is December, with an average of 3.2h of sunshine.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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Merschweiller, France
- Average high temperature in December: 4.8°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in December: 0.8°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 (-0.7°C).
Average pressure in December
Merschweiller, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in December
Merschweiller, France
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Merschweiller, 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 (75%).
Average rainfall in December
Merschweiller, France
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in December
Merschweiller, France
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in December
Merschweiller, France
- Average snowfall in December: 55mm
The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Merschweiller, France
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merschweiller, France
- Average daylight in December: 8h and 12min
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 12min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Merschweiller, France
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in December
Merschweiller, 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
Merschweiller, 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 36).
Average visibility in December
Merschweiller, 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).





