Lille weather in April
April in Lille: cool, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Lille · #464 of 897 destinations to visit in April · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lille in April
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Lille climate normals — April
| Daytime high | 14°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 40°F | |
| Rainfall | 42 mm / 1.7 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 4°C / 40°F | |
| Sunshine | 10 h/day | |
| Daylight | 13.8 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 0.9 cm / 0.4 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lille in April — FAQ
- Is April a good time to visit Lille?
- April in Lille: cool, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Lille on SeasonMap's comfort score (80/100).
- What is the weather like in Lille in April?
- In April, Lille averages a daily high of 14.2°C and a low of 4.6°C, with about 42.3 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Lille in April?
- Lille has a mean US Air Quality Index of about 44 in April.