Usually the weather in Roncesvalles during May is 14. You can expect a high of 19 with low daily temperautes being 12 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 19 |
| Low Temperature | 12 |
Useful Links: Roncesvalles Weather: Average Weather & Yearly Climate