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
As December begins, there is a minor decrease in the average high-temperature, softly falling from 9.9°C (49.8°F) in November to a still frosty 6.7°C (44.1°F). Grand-Rullecourt's nights in December maintain a consistent average of 2.6°C (36.7°F), demonstrating a minimal differential from its daytime temperature.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Grand-Rullecourt.Rainfall
The month with the most rainfall is December, when the rain falls for 15.8 days and typically aggregates up to 49mm (1.93") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Grand-Rullecourt, in December, during 1.7 snowfall days, 16mm (0.63") of snow is typically accumulated. In Grand-Rullecourt, during the entire year, snow falls for 8.4 days and aggregates up to 64mm (2.52") of snow.Daylight
December has the shortest days of the year in Grand-Rullecourt, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:28 and sunset at 16:50. On the last day of the month, sunrise is at 08:49 and sunset at 16:57 CET.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grand-Rullecourt. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Grand-Rullecourt in December?
What are the most humid months in Grand-Rullecourt?
What is the average humidity in December in Grand-Rullecourt?
What is the rainiest month in Grand-Rullecourt?
How many days does it rain in December in Grand-Rullecourt?
How many days does it snow in December in Grand-Rullecourt?
What is the month with the shortest days in Grand-Rullecourt?
What is the average length of the day in December in Grand-Rullecourt?
When are sunrise and sunset in December in Grand-Rullecourt?
How long on average sun shines in December in Grand-Rullecourt?
What are the months with the lowest UV index in Grand-Rullecourt?
What is the UV index reading in December in Grand-Rullecourt?
Average temperature in December
Grand-Rullecourt, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Grand-Rullecourt, France
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in December
Grand-Rullecourt, France
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Grand-Rullecourt, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Grand-Rullecourt, France
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Grand-Rullecourt, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Grand-Rullecourt, France
- Average snowfall in December: 16mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grand-Rullecourt, France
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.8 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-Rullecourt, 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Grand-Rullecourt, France
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in December
Grand-Rullecourt, 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-Rullecourt, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Grand-Rullecourt, 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-Rullecourt, France
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