Usually average temperatures are Pau throughout the duration of May is 14. You can expect highs around 22 with low temperatures being around 10 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 22 |
| Low Temperature | 10 |
| Sunshine Per Day | 7 |
Useful Links: Pau Weather: Average Weather & Yearly Climate