Lille, France Climate & Monthly Averages
Lille has an oceanic climate. August is the hottest month, averaging 74° by day; January is the coldest at 44°.
How weather changes through the year in Lille
Lille records 140 wet days and 7.8 hours of daily sunshine in an average year. Temperatures follow an oceanic pattern, running 44°F (7°C) in January up to 74°F (23°C) in August.
Lille climate quick facts
- Hottest month: August - highs near 74°F (23°C)
- Coldest month: January - highs near 44°F (7°C)
- Decade extremes (2015-2024): 101°F (38°C) high · 15°F (-9°C) low
- Wettest month: January (13 rainy days) · Sunniest: June (11.6 h sun/day)
- Climate type: oceanic
- Annual swing: 15°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 3 days a year
- Average humidity: 78%
Temperatures, rain and sunshine
January is the coolest month, with highs of 44°F (7°C) and lows near 35°F (2°C). August is the warm end of the year, averaging 74°F (23°C) by day and 58°F (15°C) overnight. Precipitation concentrates in January - 3.0 inches (75 mm) on 13 days - and thins out by April.
Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through September. June is the brightest month at 11.6 hours of sun a day, against an annual average of 7.8 - duller than about 87% of the cities we track. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 101°F (38°C) and the lowest daily minimum 15°F (-9°C).
Where Lille sits among other climates
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 44° | 35° | 13 | 3.0 in | 3.6 h/day | 8.4 h | 43% | 86% |
| February | 48° | 36° | 12 | 2.4 in | 5.3 h/day | 10.0 h | 42% | 81% |
| March | 52° | 38° | 13 | 2.6 in | 6.9 h/day | 11.7 h | 43% | 78% |
| April | 58° | 41° | 10 | 1.8 in | 9.9 h/day | 13.7 h | 35% | 72% |
| May | 65° | 48° | 12 | 2.5 in | 10.9 h/day | 15.5 h | 38% | 73% |
| June | 71° | 55° | 10 | 2.4 in | 11.6 h/day | 16.4 h | 33% | 72% |
| July | 74° | 58° | 10 | 2.1 in | 11.5 h/day | 16.0 h | 33% | 70% |
| August | 74° | 58° | 11 | 2.7 in | 10.6 h/day | 14.5 h | 35% | 73% |
| September | 69° | 54° | 10 | 2.4 in | 8.8 h/day | 12.5 h | 34% | 76% |
| October | 61° | 49° | 12 | 2.8 in | 6.3 h/day | 10.6 h | 39% | 82% |
| November | 51° | 42° | 13 | 3.0 in | 4.4 h/day | 8.9 h | 42% | 86% |
| December | 47° | 39° | 14 | 2.9 in | 3.3 h/day | 8.0 h | 44% | 88% |
Lille month by month
Each card shows the average high and low. The bar places that month between Lille's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 3.6 h
- Daylight
- 8.4 h
- Snow
- 1 day
February
- Rain
- 12 days
- Sunshine
- 5.3 h
- Daylight
- 10.0 h
March
- Rain
- 13 days
- Sunshine
- 6.9 h
- Daylight
- 11.7 h
April
- Rain
- 10 days
- Sunshine
- 9.9 h
- Daylight
- 13.7 h
May
- Rain
- 12 days
- Sunshine
- 10.9 h
- Daylight
- 15.5 h
June
- Rain
- 10 days
- Sunshine
- 11.6 h
- Daylight
- 16.4 h
July
- Rain
- 10 days
- Sunshine
- 11.5 h
- Daylight
- 16.0 h
August
- Rain
- 11 days
- Sunshine
- 10.6 h
- Daylight
- 14.5 h
September
- Rain
- 10 days
- Sunshine
- 8.8 h
- Daylight
- 12.5 h
October
- Rain
- 12 days
- Sunshine
- 6.3 h
- Daylight
- 10.6 h
November
- Rain
- 13 days
- Sunshine
- 4.4 h
- Daylight
- 8.9 h
December
- Rain
- 14 days
- Sunshine
- 3.3 h
- Daylight
- 8.0 h
Looking for warmer alternatives? Browse warm places by month, or compare Lille's coolest part of the year: January, December, February.
A season-by-season guide to Lille
Spring (March through May)
Spring is crisp but comfortable here - highs near 58°F (15°C), nights near 43°F (6°C), and rain falls on around 35 of the 90 days.
Summer (June through August)
Summer settles into easy warmth here - highs near 73°F (23°C), nights near 57°F (14°C), and rain falls on around 31 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
Fall (September through November)
Through fall, Lille is mild: 60°F (16°C) by day, 48°F (9°C) after dark, and rain falls on around 35 of the 90 days.
Winter (December through February)
Winter runs cold here - highs near 46°F (8°C), nights near 37°F (3°C), and rain falls on around 39 of the 90 days, plus about 2 snowy days.
Questions people ask about Lille's climate
How often does it rain in Lille?
What should I pack for Lille?
Is Lille humid?
How much sun does Lille get?
The most useful weather window for Lille
Best time to visit Lille
Aim for May to October if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 69°F (20°C) against roughly 11 wet days a month. For the same question asked the other way round, see where else is warm in May.
What to pack
Pack for Lille with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Even in August, lows of 58°F (15°C) make an extra layer worth the space.
Lille temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.