Lille weather in August
August in Lille: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Lille · #24 of 897 destinations to visit in August · comfort 95/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lille in August
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Lille climate normals — August
| Daytime high | 24°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 14.5 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lille in August — FAQ
- Is August a good time to visit Lille?
- August in Lille: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Lille on SeasonMap's comfort score (95/100).
- What is the weather like in Lille in August?
- In August, Lille averages a daily high of 23.6°C and a low of 14.8°C, with about 45.1 mm of rain over roughly 11 rainy days.
- What is the air quality in Lille in August?
- Lille has a mean US Air Quality Index of about 42 in August.