Normally the average weather in Chartres throughout the time of May is 12 with usual highs being around 20 and low being around 8. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 20 |
| Low Temperature | 8 |
| Sunshine Per Day | 7 |
Useful Links: Chartres Weather: Average Weather & Yearly Climate