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
In December, the average high-temperature marginally drops from a frosty 9.7°C (49.5°F) in November to a still chilly 6.5°C (43.7°F). December nights in Grand-Fayt witness a slight temperature decrease, averaging at a wintry 2.3°C (36.1°F).Humidity
With an average relative humidity of 89%, December is the most humid month in Grand-Fayt.Rainfall
The month with the most rainfall is December, when the rain falls for 17.2 days and typically aggregates up to 67mm (2.64") of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, in Grand-Fayt, it is snowing for 2.8 days. Throughout December, 23mm (0.91") of snow is accumulated. Throughout the year, there are 12.6 snowfall days, and 97mm (3.82") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year in Grand-Fayt.On the first day of the month, sunrise is at 08:22 and sunset at 16:45. On the last day of December, in Grand-Fayt, sunrise is at 08:43 and sunset at 16:52 CET.
Sunshine
In December, the average sunshine in Grand-Fayt, France, is 3.9h.UV index
The months with the lowest UV index in Grand-Fayt, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
Is December cold in Grand-Fayt?
What is the most humid month in Grand-Fayt?
What is the average humidity in December in Grand-Fayt?
What is the rainiest month in Grand-Fayt?
How many days does it rain in December in Grand-Fayt?
How many days does it snow in December in Grand-Fayt?
What is the month with the shortest days in Grand-Fayt?
How many hours of daylight does Grand-Fayt have in December?
When is the sunrise / sunset in December in Grand-Fayt?
How long on average sun shines in December in Grand-Fayt?
What are the months with the lowest UV index in Grand-Fayt?
How high is the UV index in December in Grand-Fayt?
Average temperature in December
Grand-Fayt, France
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.3°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 (0.9°C).
Average pressure in December
Grand-Fayt, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Grand-Fayt, France
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Grand-Fayt, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Grand-Fayt, France
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Grand-Fayt, France
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in December
Grand-Fayt, France
- Average snowfall in December: 23mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grand-Fayt, France
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grand-Fayt, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Grand-Fayt, France
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Grand-Fayt, 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
Grand-Fayt, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Grand-Fayt, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Grand-Fayt, France
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