Usually the average weather in Lille all through the month of August is 16. High average temperature is 23 and low of 13 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 23 |
| Low Temperature | 13 |
| Sunshine Per Day | 8 |
Useful Links: Lille Weather: Average Weather & Yearly Climate