Campsites — Bilbao
Climate — Bilbao: monthly averages
| Month | Day (max) | Night (min) | Monthly precipitation |
|---|---|---|---|
| January | 20°C | 2°C | 126 mm |
| February | 20°C | 1°C | 97 mm |
| March | 21°C | 1°C | 94 mm |
| April | 25°C | 7°C | 80 mm |
| May | 28°C | 8°C | 64 mm |
| June | 34°C | 12°C | 56 mm |
| July | 35°C | 14°C | 35 mm |
| August | 36°C | 15°C | 36 mm |
| September | 31°C | 13°C | 53 mm |
| October | 28°C | 7°C | 95 mm |
| November | 24°C | 5°C | 146 mm |
| December | 19°C | 0°C | 120 mm |
Long-term model averages for an area of about 50 km — not a forecast; mountains are often cooler. Source: NASA POWER Project (CC BY 4.0) (2001–2025)