December weather forecastRoppeviller, France
December
Weather in December
December, the first month of the winter in Roppeviller, is also a wintry month, with an average temperature varying between 0.4°C (32.7°F) and 4.8°C (40.6°F).Temperature
The average high-temperature slightly decreases in December, shifting from a frosty 8.2°C (46.8°F) in November to an icy 4.8°C (40.6°F). During the nights of December, Roppeviller maintains an almost steady temperature with an average low of 0.4°C (32.7°F).Humidity
December is the most humid month, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall in Roppeviller. Rain falls for 15.8 days and accumulates 71mm (2.8") of precipitation.Snowfall
Months with snowfall in Roppeviller, France, are January through May, October through December. The month with the most snowfall is December, when snow falls for 9.2 days and typically aggregates up to 116mm (4.57") of snow.Daylight
December has the shortest days of the year in Roppeviller, with an average of 8h and 18min of daylight.On the first day of December in Roppeviller, sunrise is at 08:03 and sunset at 16:34. On the last day of the month, sunrise is at 08:24 and sunset at 16:42 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roppeviller, France
- Average high temperature in December: 4.8°C
The warmest month (with the highest average high temperature) is July (24.1°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in December: 0.4°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in December
Roppeviller, France
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in December
Roppeviller, France
- Average wind speed in December: 12.3km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Roppeviller, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Roppeviller, 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 (34mm).
Average rainfall days in December
Roppeviller, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Roppeviller, France
- Average snowfall in December: 116mm
The month with the highest snowfall is December (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roppeviller, France
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roppeviller, France
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Roppeviller, France
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is December (8 days).
Average UV index in December
Roppeviller, France
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Roppeviller, France
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Roppeviller, France
- Average visibility in December: 7km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, November and December (7km).





