Normally, average daily temperatures in Bilbao in August is 19, with highs being around 26 and average daily low being 15. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 19 |
| High Temperature | 26 |
| Low Temperature | 15 |
| Sunshine Per Day | 6 |
Useful Links: Bilbao Weather: Average Weather & Yearly Climate