Lille climate
Lille is warmest in July, with average highs of 22 °C, and coldest in February, when nights average 1.5 °C. December is the wettest month (70 mm) and April the driest (49 mm). Figures are 1991–2020 climate normals.
Across a full year Lille averages 716 mm of rain, 22 days above 25 °C and 42 days below freezing.
France · population 238,695 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month July 22 °C
- Coldest month February 1.5 °C
- Driest month April 49 mm
- Wettest month December 70 mm
- Least cloud August 61 % cloud
- Hottest on record July 38 °C
- Coldest on record January -12 °C
What to expectLille through the year
Lille has a clear annual cycle: average daily highs run from 7.6 °C in February to 22 °C in July, a swing of 14 °C in mean temperature across the year.
Counted across a normal year, 22 days a year reach 25 °C, 3 of them reach 30 °C, 42 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in July.
Rain is spread fairly evenly through the year, from 49 mm in April to 70 mm in December. There is no dry season to aim for.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 6.6 °C | 60 mm | 73 % |
| February | 7.6 °C | 52 mm | 71 % |
| March | 10.8 °C | 52 mm | 67 % |
| April | 14.3 °C | 49 mm | 63 % |
| May | 17.5 °C | 62 mm | 65 % |
| June | 20.3 °C | 60 mm | 64 % |
| July | 22.5 °C | 63 mm | 61 % |
| August | 22.4 °C | 70 mm | 61 % |
| September | 19.3 °C | 53 mm | 63 % |
| October | 15.1 °C | 62 mm | 69 % |
| November | 10.2 °C | 63 mm | 75 % |
| December | 6.9 °C | 70 mm | 74 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 6.6 °C | 1.5 °C | 4.0 °C | 14.3 °C | -12.3 °C | 0 | 0 | 11 |
| February | 7.6 °C | 1.5 °C | 4.4 °C | 16.9 °C | -11.3 °C | 0 | 0 | 10 |
| March | 10.8 °C | 3.0 °C | 6.8 °C | 21.2 °C | -9.4 °C | 0 | 0 | 6 |
| April | 14.3 °C | 5.1 °C | 9.8 °C | 25.7 °C | -4.0 °C | 0 | 0 | 2 |
| May | 17.5 °C | 8.7 °C | 13.3 °C | 29.6 °C | 0.1 °C | 1 | 0 | 0 |
| June | 20.3 °C | 11.6 °C | 16.2 °C | 32.7 °C | 3.2 °C | 4 | 0 | 0 |
| July | 22.5 °C | 13.9 °C | 18.3 °C | 38.0 °C | 6.6 °C | 8 | 1 | 0 |
| August | 22.4 °C | 13.9 °C | 18.2 °C | 35.2 °C | 8.0 °C | 7 | 1 | 0 |
| September | 19.3 °C | 11.4 °C | 15.3 °C | 31.4 °C | 3.2 °C | 2 | 0 | 0 |
| October | 15.1 °C | 8.5 °C | 11.7 °C | 25.8 °C | -3.7 °C | 0 | 0 | 0 |
| November | 10.2 °C | 5.0 °C | 7.5 °C | 19.9 °C | -6.7 °C | 0 | 0 | 3 |
| December | 6.9 °C | 2.3 °C | 4.6 °C | 16.0 °C | -10.5 °C | 0 | 0 | 10 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 60 mm | 11 | 8.5 h/day | 73 % | 85 % | 22 km/h |
| February | 52 mm | 10 | 10 h/day | 71 % | 81 % | 22 km/h |
| March | 52 mm | 11 | 12 h/day | 67 % | 78 % | 21 km/h |
| April | 49 mm | 11 | 14 h/day | 63 % | 74 % | 19 km/h |
| May | 62 mm | 12 | 16 h/day | 65 % | 74 % | 19 km/h |
| June | 60 mm | 11 | 16 h/day | 64 % | 74 % | 18 km/h |
| July | 63 mm | 11 | 16 h/day | 61 % | 73 % | 18 km/h |
| August | 70 mm | 11 | 15 h/day | 61 % | 74 % | 17 km/h |
| September | 53 mm | 10 | 13 h/day | 63 % | 77 % | 18 km/h |
| October | 62 mm | 11 | 11 h/day | 69 % | 81 % | 20 km/h |
| November | 63 mm | 12 | 9.0 h/day | 75 % | 86 % | 21 km/h |
| December | 70 mm | 12 | 8.0 h/day | 74 % | 87 % | 21 km/h |
Planning a trip? See the best time to visit Lille.
QuestionsCommon questions about Lille’s climate
When is the best time to visit Lille?
That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and April the driest. The month-by-month table above has the full picture.
How hot does Lille get?
In July, the warmest month, daily highs average 22 °C. About 3 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.
How cold does it get in winter?
Nights average 1.5 °C in February, the coldest month. A normal year has 42 nights below freezing.
Which month is wettest in Lille?
December, averaging 70 mm over 12 days with rain. The driest month is April with 49 mm. The year as a whole averages 716 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Lille rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Data point
- 50.634°, 3.055° (the coordinates the reanalysis values are taken for)
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.