Usually the average weather in Finistere all through the month of May is 12 with a general average high of 17 and typical average low being around 10 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 17 |
| Low Temperature | 10 |
Useful Links: Finistere Weather: Average Weather & Yearly Climate