December weather forecastRoubaix, France
December
Weather in December
Roubaix greets December, and it is a return to winter, synonymous with colder climates. The bitter chill is felt in every gust of wind, which now speeds up to 17.6km/h (10.9mph); the fastest for the year. Coinciding with the plummeting temperatures, snow reappears on the scene, accumulating to a depth of 29mm (1.14"). Despite the frigidity, there's a certain charm to the transformation that the city undergoes.Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a fresh 10.1°C (50.2°F) in November to a chilly 7°C (44.6°F). Roubaix nights in December witness a mild cool down to an average temperature of 3.1°C (37.6°F).Humidity
The most humid month is December, with an average relative humidity of 87%.Rainfall
The month with the most rainfall in Roubaix is December, when the rain falls for 18.5 days and typically aggregates up to 61mm (2.4") of precipitation.Snowfall
Months with snowfall in Roubaix are January through March, November and December. In December, in Roubaix, it is snowing for 2.9 days. Throughout December, 29mm (1.14") of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 100mm (3.94") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:27 and sunset at 16:45. On the last day of December, in Roubaix, sunrise is at 08:48 and sunset at 16:52 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roubaix, France. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow 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
Roubaix, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Roubaix, France
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Roubaix, France
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in December
Roubaix, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Roubaix, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Roubaix, France
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is September (14.3 days).
Average snowfall in December
Roubaix, France
- Average snowfall in December: 29mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Roubaix, France
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (3.7 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
Roubaix, France
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h
The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average sunshine days in December
Roubaix, France
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Roubaix, 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
Roubaix, France
- Average cloud cover in December: 60
The months with the most cloud cover are January and December (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in December
Roubaix, 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).





