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 beginning of December brings a minor change in the average high-temperature, shifting from a fresh 10.5°C (50.9°F) in November to a frosty 7.4°C (45.3°F). In Sartrouville, the month of December brings a consistent average low-temperature of 3.1°C (37.6°F), slightly cooler than its daytime highs.Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 11.6 days and accumulates 18mm (0.71") of precipitation.Snowfall
January through March, November and December are months with snowfall in Sartrouville. In Sartrouville, during December, snow falls for 1.1 days and regularly aggregates up to 2mm (0.08") of snow. Throughout the year, in Sartrouville, France, there are 5.6 snowfall days, and 17mm (0.67") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December in Sartrouville, France, sunrise is at 08:24 and sunset at 16:56. On the last day of the month, sunrise is at 08:45 and sunset at 17:04 CET.
Sunshine
In December, the average sunshine in Sartrouville is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sartrouville. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sartrouville in December?
What is the most humid month in Sartrouville?
What is the average humidity in December in Sartrouville?
What is the wettest month in Sartrouville?
How many days does it rain in December in Sartrouville?
How many days does it snow in December in Sartrouville?
What is the month with the shortest days in Sartrouville?
How many hours of daylight does Sartrouville have in December?
When are sunrise and sunset in December in Sartrouville?
How many hours of sunshine does Sartrouville have in December?
What are the months with the lowest UV index in Sartrouville?
What is the UV index reading in December in Sartrouville?
Average temperature in December
Sartrouville, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Sartrouville, France
- Average pressure in December: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in December
Sartrouville, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Sartrouville, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Sartrouville, France
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in December
Sartrouville, France
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).
Average snowfall in December
Sartrouville, France
- Average snowfall in December: 2mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sartrouville, France
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.1 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
Sartrouville, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Sartrouville, France
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).
Average UV index in December
Sartrouville, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sartrouville, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Sartrouville, 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).
Sartrouville, France
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