Usually the weather in Rouen during the time of May is 11. With the average high being 18 and low average expected to be 7 celsius.
| Month | Degrees Celsius |
|---|---|
| Temperature | 11 |
| High Temperature | 18 |
| Low Temperature | 7 |
| Sunshine Per Day | 6 |
Useful Links: Rouen Weather: Average Weather & Yearly Climate