Generally, the weather in Tours during May is 13. You can expect a high of 20 and typical average low being around 9. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 20 |
| Low Temperature | 9 |
| Sunshine Per Day | 8 |
Useful Links: Tours Weather: Average Weather & Yearly Climate