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The best time to visit Lille
May, June, September and October — daytime highs around 19°C. Every number on this page is measured, not guessed.
Lille month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 7°C | 1°C | 13 | |
| February | 9°C | 3°C | 13 | |
| March | 11°C | 4°C | 13 | |
| April | 15°C | 5°C | 10 | Shoulder |
| May | 18°C | 9°C | 11 | Best |
| June | 22°C | 13°C | 10 | Best |
| July | 23°C | 14°C | 10 | Shoulder |
| August | 23°C | 15°C | 10 | Shoulder |
| September | 21°C | 12°C | 10 | Best |
| October | 16°C | 9°C | 12 | Best |
| November | 11°C | 5°C | 13 | Shoulder |
| December | 8°C | 4°C | 14 |
The short version
Warmest: July, around 23°C by day. Coolest: January, around 7°C by day and 1°C at night. Wettest: December with about 14 wet days. Driest: April with about 10.
If you want fewer people: April, July, August, November sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Lille?
The best months are May, June, September and October, when daytime highs sit around 19°C.
What is the hottest month in Lille?
July, with daytime highs around 23°C.
What is the wettest month in Lille?
December, with about 14 wet days. The driest is April with about 10.
When is the cheapest time to visit Lille?
Prices follow the weather. The months either side of the best ones — April, July, August, November — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Lille, Hauts-de-France. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.