More often than not you can expect weather in Bilbao right through October is 15. Average high degrees are usually 21 and average daily low being 12 degrees. With the details being further below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 21 |
| Low Temperature | 12 |
| Sunshine Per Day | 5 |
Useful Links: Bilbao Weather: Average Weather & Yearly Climate