Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 163 days
Number of rainy days: 197 days
Number of snow days: 5 days
Look at detailed online map of Casteloais
* Weather data for Casteloais 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) | 11.6 | 16.2 | 18.1 | 22.1 | 23.4 | 27.9 | 27.2 | 33.5 | 27.2 | 28.0 | 18.5 | 15.2 |
| Average daytime temperature (°C) | 7.1 | 10.2 | 11.8 | 16.3 | 17.3 | 20.7 | 22.4 | 24.5 | 20.4 | 18.1 | 12.3 | 9.7 |
| Average temperature (°C) | 4.3 | 5.9 | 8.3 | 11.8 | 12.7 | 16.6 | 17.3 | 19.3 | 16.4 | 15.0 | 9.6 | 7.3 |
| Average night temperature (°C) | 1.2 | 2.1 | 4.7 | 7.1 | 7.9 | 12.4 | 12.3 | 14.2 | 12.7 | 11.8 | 7.0 | 4.3 |
| Absolute minimum temperature (°C) | -2.5 | -4.1 | -3.1 | 0.7 | 3.7 | 8.4 | 8.2 | 9.3 | 6.8 | 5.4 | 2.7 | -0.2 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 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) | 5.2 | 9.0 | 8.0 | 10.5 | 12.2 | 12.7 | 13.2 | 11.8 | 10.3 | 6.6 | 5.0 | 4.9 |
| Precipitation (mm) | 324 | 24 | 117 | 71 | 115 | 132 | 20 | 24 | 114 | 383 | 273 | 137 |
| Sunny days | 14 | 21 | 9 | 17 | 13 | 8 | 20 | 19 | 10 | 11 | 10 | 11 |
| Rainy days | 16 | 4 | 21 | 13 | 18 | 22 | 11 | 12 | 20 | 20 | 20 | 20 |
| Snow days | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casteloais during the most sunny months:
The largest precipitation sum in Casteloais is at