December weather forecastRocquancourt, France
December weather for Rocquancourt, France: The first month of the winter, December, is still a chilly month in Rocquancourt, France, with an average temperature ranging between min 5.1°C (41.2°F) and max 8.7°C (47.7°F). The months with the lowest UV index in Rocquancourt, France, are January, February, November and December, with an average maximum UV index of 2.
December
Weather in December
The first month of the winter, December, is still a chilly month in Rocquancourt, France, with an average temperature ranging between min 5.1°C (41.2°F) and max 8.7°C (47.7°F).Temperature
The transition into December marks the average high-temperature at a chilly 8.7°C (47.7°F), differing minimally from November's 11°C (51.8°F). Rocquancourt notes a consistent average low-temperature of 5.1°C (41.2°F) during December nights.Humidity
The average relative humidity in December is 84%.Rainfall
The months with the most rainfall are November and December, with an average 59mm (2.32") of precipitation.Snowfall
Months with snowfall in Rocquancourt, France, are January through April, November and December. In Rocquancourt, in December, snow falls for 1.5 days, with typically accumulated 10mm (0.39") of snow. In Rocquancourt, during the entire year, snow falls for 8.6 days and aggregates up to 48mm (1.89") of snow.Daylight
The month with the shortest days in Rocquancourt is December, with an average of 8h and 18min of daylight.On the first day of December in Rocquancourt, sunrise is at 08:34 and sunset at 17:06. On the last day of the month, sunrise is at 08:55 and sunset at 17:13 CET.
Sunshine
The average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Rocquancourt are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rocquancourt, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in December
Rocquancourt, France
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Rocquancourt, France
- Average wind speed in December: 23.2km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in December
Rocquancourt, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in December
Rocquancourt, France
- Average rainfall in December: 59mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Rocquancourt, France
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in December
Rocquancourt, France
- Average snowfall in December: 10mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Rocquancourt, France
- Average snowfall days in December: 1.5 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
Rocquancourt, France
- Average daylight in December: 8h and 18min
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 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Rocquancourt, France
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in December
Rocquancourt, France
- Average UV index in December: 2
The months with the highest UV index are 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
Rocquancourt, France
- Average cloud cover in December: 58
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in December
Rocquancourt, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).





