Average annual temperature is 12.8 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 138 days
Number of rainy days: 221 days
Number of snow days: 6 days
Look at detailed online map of Gaztelu / Castillo
* Weather data for Gaztelu / Castillo Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.3 | 16.8 | 23.3 | 27.4 | 28.6 | 28.6 | 35.6 | 39.8 | 30.7 | 32.5 | 18.7 | 16.3 |
| Average daytime temperature (°C) | 7.1 | 8.8 | 14.8 | 17.4 | 18.2 | 23.0 | 26.6 | 28.3 | 25.1 | 21.9 | 13.7 | 9.8 |
| Average temperature (°C) | 4.2 | 4.1 | 9.9 | 11.4 | 13.1 | 18.0 | 19.4 | 20.5 | 19.1 | 16.5 | 10.4 | 6.5 |
| Average night temperature (°C) | 1.6 | 0.2 | 5.3 | 6.6 | 8.7 | 13.9 | 14.4 | 14.8 | 14.3 | 12.1 | 7.6 | 3.4 |
| Absolute minimum temperature (°C) | -2.2 | -2.7 | -3.1 | -0.2 | 5.1 | 10.6 | 11.7 | 10.3 | 7.7 | 6.1 | 2.5 | -3.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 7.2 | 8.2 | 9.4 | 10.8 | 11.0 | 11.7 | 11.7 | 9.8 | 7.6 | 5.2 | 5.0 |
| Precipitation (mm) | 108 | 46 | 33 | 63 | 84 | 137 | 27 | 23 | 66 | 74 | 116 | 78 |
| Sunny days | 8 | 16 | 13 | 12 | 8 | 7 | 15 | 17 | 10 | 14 | 7 | 11 |
| Rainy days | 19 | 11 | 17 | 18 | 23 | 23 | 16 | 14 | 20 | 17 | 23 | 20 |
| Snow days | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gaztelu / Castillo during the most sunny months:
Months with the longest average daylight duration in Gaztelu / Castillo:
The largest precipitation sum in Gaztelu / Castillo is at