Lille, in northern France, has a temperate oceanic climate with mild summers, cool and damp winters, and rainfall spread evenly throughout the year. The city experiences frequent clouds, brisk winds, and pronounced seasonal changes. Long summer days and short, grey winter days make Lille a dynamic destination for travel and cultural events year-round.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Lille’s oceanic climate is shaped by Atlantic influences, resulting in moderate temperatures and regular rainfall. Summers (June–August) are mild and pleasant, with average highs of 21–24°C and lows around 13–15°C. July is typically the warmest month, though heatwaves above 30°C are rare but increasing in frequency. Summer days are long, with up to 16–17 hours of daylight and 7 hours of sunshine daily. Rainfall is moderate, with July and August each seeing about 65–70 mm, and showers are often brief and followed by sunshine. Humidity is moderate to high, and winds are generally light in summer.
Winters (December–February) are cool, damp, and windy, with average highs of 6–8°C and lows near 1–3°C. January is the coldest month, and while snow is possible, it is infrequent and usually melts quickly. Rain is common, with December and January each receiving 65–70 mm, and sunshine is limited to 1–2 hours per day. Days are short, with only 8–9 hours of daylight. Spring (March–May) and autumn (September–November) are transitional, with spring warming from 10°C in March to 18°C in May, and autumn cooling from 19°C in September to 11°C in November. Rain falls year-round, with annual precipitation around 745–782 mm and 120–130 rainy days. Winds are moderate to strong, especially in autumn and winter, and the weather can change quickly, so layers and rain gear are always advisable. Lille enjoys about 1,600–1,700 hours of sunshine annually, with the most sun in late spring and summer.
| Average climate data for Lille, France | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 6 | 7 | 11 | 15 | 18 | 21 | 23 | 23 | 20 | 16 | 10 | 7 | 23 |
| Average minimum temperature (°C) | 1 | 2 | 3 | 6 | 8 | 11 | 14 | 14 | 11 | 9 | 5 | 3 | 1 |
| Average precipitation (mm) | 31 | 32 | 32 | 22 | 25 | 37 | 36 | 35 | 19 | 33 | 32 | 41 | 376 |
| Average rainfall days (days) | 15 | 12 | 13 | 12 | 15 | 15 | 17 | 16 | 11 | 14 | 15 | 16 | 170 |
| Average snowfall (mm) | 20 | 24 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 18 | 71 |
| Average snowfall days (days) | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 10 |
| Average relative humidity (%) | 87 | 83 | 79 | 76 | 77 | 77 | 74 | 72 | 76 | 80 | 86 | 87 | 80 |
| Average wind speed (km/h) | 17 | 18 | 16 | 13 | 13 | 13 | 13 | 12 | 12 | 15 | 16 | 18 | 15 |
| Average daily daylight hours (h) | 8 | 10 | 11 | 13 | 15 | 16 | 16 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 3 | 4 | 5 | 8 | 8 | 9 | 9 | 8 | 7 | 5 | 4 | 4 | 6 |
| Average cloud coverage (%) | 61 | 59 | 51 | 40 | 45 | 45 | 44 | 40 | 42 | 51 | 59 | 58 | 50 |
| Average UV index | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 2 | 3 |
The best time to visit Lille is from late May to September, when temperatures are mild (17–24°C), days are long, and rainfall is moderate. These months offer the most comfortable and reliable weather for sightseeing, outdoor events, and enjoying the city’s vibrant atmosphere and festivals.
The least favourable time to visit is from November to February, when Lille is coldest, wettest, and least sunny. Rain, wind, and short daylight hours can limit outdoor activities, though the city’s museums, Christmas market, and cafés offer a cosy refuge from the weather.
Lille has a temperate oceanic climate with mild summers (21–24°C), cool, damp winters (6–8°C), and rainfall throughout the year. Weather is changeable, with frequent clouds, wind, and occasional sunshine.
The best time to visit Lille is from late May to September, when temperatures are mild, days are long, and rainfall is moderate—perfect for outdoor activities, festivals, and sightseeing.
Snow is possible in winter, especially in January and February, but it is usually light and doesn’t last long. Most winter precipitation falls as rain, and frost can occur on colder nights.
Lille receives about 745–782 mm of precipitation annually, with rain distributed fairly evenly throughout the year. July, November, and December are typically the wettest months, while April is driest.
Sunshine hours range from just 1.5 per day in December to up to 7 per day in June and July. The city enjoys about 1,600–1,700 hours of sunshine each year, with the most in summer.
Yes, Lille experiences moderate to strong winds year-round, especially in autumn and winter, due to its Atlantic influence. Winds are generally lighter in summer, but storms can bring brisk gusts.
The warmest month, with the highest average maximum temperature, is August (23.4 °C). The month with the lowest average maximum temperature is January (5.8 °C). Overall, the average maximum temperature over the whole year is 14.7 °C.
The month with the highest average minimum temperature is August (13.9 °C). The coldest month, with the lowest average minimum temperature, is January (1.2 °C). Overall, the average minimum temperature over the whole year is 7.3 °C.
The wettest month, with the highest amount of precipitation, is December (41.4 mm). The driest month, with the least amount of precipitation, is September (18.9 mm). Over the whole year there are 375.5 mm of rainfall on average.
The month with the most days of rain is July (16.6 days). The month with the fewest days of rain is September (11.4 days). Over the whole year there are 170.3 days of rain on average.
The month with the most snowfall is February (23.8 mm). The months with the least snowfall are April, May, June, July, August, September and October (0 mm). Over the whole year there are 70.7 mm of snowfall on average.
The month with the most days of snowfall is February (3.2 days). The months with the fewest days of snowfall are May, July, August and September (0 days). Over the whole year there are 9.6 days of snowfall on average.
The month with the highest average relative humidity is December (87.3 %). The month with the lowest average relative humidity is August (72.4 %). The overall average relative humidity over the whole year is 79.7 %.
The windiest month, with the highest average wind speed, is February (17.9 km/h). The calmest month, with the lowest average wind speed, is August (12.2 km/h). The overall average wind speed over the whole year is 14.7 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (60.6 %). The month with the clearest skies, so the lowest cloud coverage, is April (40 %). Over the whole year there is an average cloud coverage of 49.6 %.
The month with the longest days, so the most daylight, is June (Average daylight: 16 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is June (Average sunshine: 9 h). The month with the least sunshine per day is January (Average sunshine: 3.1 h). Over the whole year there are 6.2 h of sunlight per day on average.
The months with the highest average UV index are June, July and August (UV index: 5). The months with the lowest average UV index are January, February, November and December (UV index: 2). Over the whole year the average UV index is 3.3.
