Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a frosty 8.2°C (46.8°F) in November to an icy 5°C (41°F). Throughout December, Valleroy-le-Sec's nights experience a slight temperature dip to a still wintry 0.3°C (32.5°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Valleroy-le-Sec.Rainfall
The month with the most rainfall in Valleroy-le-Sec is December, when the rain falls for 15.5 days and typically aggregates up to 84mm (3.31") of precipitation.Snowfall
January through May, October through December are months with snowfall in Valleroy-le-Sec. In Valleroy-le-Sec, in December, snow falls for 7.2 days, with typically accumulated 84mm (3.31") of snow. Throughout the year, in Valleroy-le-Sec, there are 31.7 snowfall days, and 349mm (13.74") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December in Valleroy-le-Sec, sunrise is at 08:05 and sunset at 16:44. On the last day of the month, sunrise is at 08:26 and sunset at 16:51 CET.
Sunshine
The months with the least sunshine in Valleroy-le-Sec are January and December, with an average of 3.8h 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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
Is it cold in Valleroy-le-Sec during December?
What are the most humid months in Valleroy-le-Sec?
What is the average humidity in December in Valleroy-le-Sec?
What is the wettest month in Valleroy-le-Sec?
How many days does it rain in December in Valleroy-le-Sec?
How much does it snow in Valleroy-le-Sec in December?
What is the month with the shortest days in Valleroy-le-Sec?
What is the average length of the day in December in Valleroy-le-Sec?
When is the sunrise / sunset in December in Valleroy-le-Sec?
What is the month with the least sunshine in Valleroy-le-Sec?
How long on average sun shines in December in Valleroy-le-Sec?
When is the lowest UV index in Valleroy-le-Sec?
What is the UV index intensity in December in Valleroy-le-Sec?
Average temperature in December
Valleroy-le-Sec, France
- Average high temperature in December: 5°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in December: 0.3°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Valleroy-le-Sec, France
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in December
Valleroy-le-Sec, France
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in December
Valleroy-le-Sec, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in December
Valleroy-le-Sec, France
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is December (84mm).
The driest months (with the least rainfall) are April and September (36mm).
Average rainfall days in December
Valleroy-le-Sec, France
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Valleroy-le-Sec, France
- Average snowfall in December: 84mm
The month with the highest snowfall is January (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Valleroy-le-Sec, France
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valleroy-le-Sec, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Valleroy-le-Sec, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Valleroy-le-Sec, 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
Valleroy-le-Sec, France
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Valleroy-le-Sec, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
Valleroy-le-Sec, France
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