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
December
Weather in December
Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a cool 10°C (50°F) in November to a chilly 6.7°C (44.1°F). Saint-Jean-les-Deux-Jumeaux navigates through December with a barely noticeable decrease in temperature at night, stabilizing at a wintry 2.5°C (36.5°F).Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
December is the month with the most rainfall in Saint-Jean-les-Deux-Jumeaux, France. Rain falls for 17.8 days and accumulates 65mm (2.56") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 2.6 days. Throughout December, 20mm (0.79") of snow is accumulated. In Saint-Jean-les-Deux-Jumeaux, France, during the entire year, snow falls for 11.1 days and aggregates up to 84mm (3.31") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:20 and sunset at 16:53. On the last day of December, sunrise is at 08:41 and sunset at 17:00 CET.
Sunshine
The average sunshine in December in Saint-Jean-les-Deux-Jumeaux is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Saint-Jean-les-Deux-Jumeaux?
What is the most humid month in Saint-Jean-les-Deux-Jumeaux?
What is the average humidity in December in Saint-Jean-les-Deux-Jumeaux?
What is the wettest month in Saint-Jean-les-Deux-Jumeaux?
How many days does it rain in December in Saint-Jean-les-Deux-Jumeaux?
How much does it snow in Saint-Jean-les-Deux-Jumeaux in December?
What is the month with the shortest days in Saint-Jean-les-Deux-Jumeaux?
What is the average length of the day in December in Saint-Jean-les-Deux-Jumeaux?
When are sunrise and sunset in December in Saint-Jean-les-Deux-Jumeaux?
How many hours of sunshine does Saint-Jean-les-Deux-Jumeaux have in December?
When is the lowest UV index in Saint-Jean-les-Deux-Jumeaux?
How high is the UV index in December in Saint-Jean-les-Deux-Jumeaux?
Average temperature in December
Saint-Jean-les-Deux-Jumeaux, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Saint-Jean-les-Deux-Jumeaux, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Saint-Jean-les-Deux-Jumeaux, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Saint-Jean-les-Deux-Jumeaux, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Saint-Jean-les-Deux-Jumeaux, France
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Saint-Jean-les-Deux-Jumeaux, France
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Saint-Jean-les-Deux-Jumeaux, France
- Average snowfall in December: 20mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Jean-les-Deux-Jumeaux, France
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint-Jean-les-Deux-Jumeaux, France
- Average daylight in December: 8h and 2min
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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Saint-Jean-les-Deux-Jumeaux, France
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Saint-Jean-les-Deux-Jumeaux, 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
Saint-Jean-les-Deux-Jumeaux, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Saint-Jean-les-Deux-Jumeaux, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
