December weather forecastRouillon, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Rouillon, France, with an average temperature fluctuating between 3.2°C (37.8°F) and 8.2°C (46.8°F).Temperature
With the arrival of December, Rouillon's average high-temperature registers at a chilly 8.2°C (46.8°F), indicating a subtle variation from the previous month. In December, a low-temperature average of 3.2°C (37.8°F) is characteristic of Rouillon, marking a minor shift from daytime temperatures.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Rouillon.Rainfall
In Rouillon, during December, the rain falls for 11.6 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Rouillon, there are 147.2 rainfall days, and 323mm (12.72") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Rouillon, France, in December, during 0.5 snowfall days, 3mm (0.12") of snow is typically accumulated. In Rouillon, during the entire year, snow falls for 3.3 days and aggregates up to 20mm (0.79") of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:28 and sunset at 17:08. On the last day of the month, sunrise is at 08:49 and sunset at 17:16 CET.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rouillon. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rouillon, France
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 3.2°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 (1.8°C).
Average pressure in December
Rouillon, France
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Rouillon, France
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in December
Rouillon, 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
Rouillon, France
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Rouillon, France
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in December
Rouillon, France
- Average snowfall in December: 3mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rouillon, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 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
Rouillon, France
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Rouillon, France
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Rouillon, 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
Rouillon, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Rouillon, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).
