December weather forecastLille, France
December
Weather in December
As Lille steps into December, winter truly sets in with chilly temperatures between 3°C (37.4°F) and 7°C (44.6°F), accompanied by increased rainfall of 42mm (1.65") and an uptick in snowfall to 18mm (0.71"). The fast winds at 18km/h (11.2mph) add to the chill, warranting warmer clothing. This period of chill feels delightfully festive with holiday lights twinkling against the frosty backdrop. Despite the short daylight hours of around 8, Lille vibrantly comes to life in these quintessential winter conditions.Temperature
The average high-temperature in Lille shows a slight dip in December, from November's cool 10°C (50°F) to a frosty 7°C (44.6°F). The nighttime temperature demonstrates a marginal decline, averaging at a wintry 3°C (37.4°F) during December.Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 15.8 days and typically aggregates up to 42mm (1.65") of precipitation.Snowfall
Months with snowfall in Lille, France, are January through March, November and December. In Lille, in December, snow falls for 1.9 days, with typically accumulated 18mm (0.71") of snow. In Lille, during the entire year, snow falls for 9.7 days and aggregates up to 71mm (2.8") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 16:46. On the last day of December, sunrise is at 08:49 and sunset at 16:52 CET.
Sunshine
In Lille, the average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lille, France. A UV Index value 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 maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lille, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Lille, France
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Lille, France
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Lille, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Lille, France
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Lille, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Lille, France
- Average snowfall in December: 18mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Lille, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.3 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
Lille, 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 and 6min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Lille, France
- Average sunshine days in December: 12 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is August (11.1 days).
Average UV index in December
Lille, 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
Lille, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Lille, 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).








