Average annual temperature is 13.6 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 215 days
Number of rainy days: 147 days
Number of snow days: 3 days
Look at detailed online map of Castrillo de Onielo
* Weather data for Castrillo de Onielo 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) | 15.1 | 18.9 | 25.4 | 30.1 | 29.4 | 34.7 | 36.5 | 39.0 | 31.4 | 31.9 | 17.8 | 14.8 |
| Average daytime temperature (°C) | 7.7 | 10.7 | 16.0 | 21.7 | 21.8 | 26.0 | 31.0 | 31.9 | 25.7 | 21.4 | 13.3 | 8.3 |
| Average temperature (°C) | 3.9 | 4.2 | 10.0 | 14.1 | 15.0 | 19.4 | 23.0 | 23.8 | 19.0 | 15.9 | 9.6 | 4.3 |
| Average night temperature (°C) | 0.6 | -0.8 | 4.2 | 6.6 | 8.9 | 13.3 | 15.1 | 15.9 | 12.9 | 10.7 | 6.2 | 1.0 |
| Absolute minimum temperature (°C) | -2.8 | -3.7 | -3.5 | -1.1 | 5.2 | 9.5 | 11.5 | 10.4 | 7.1 | 5.1 | 1.0 | -4.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 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 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 7.9 | 8.7 | 10.7 | 11.9 | 12.1 | 13.3 | 12.5 | 9.9 | 7.0 | 5.2 | 5.2 |
| Precipitation (mm) | 35 | 24 | 19 | 14 | 32 | 79 | 2 | 0 | 43 | 86 | 83 | 35 |
| Sunny days | 13 | 21 | 17 | 22 | 15 | 11 | 29 | 28 | 19 | 14 | 9 | 17 |
| Rainy days | 17 | 6 | 13 | 8 | 16 | 19 | 2 | 3 | 11 | 17 | 21 | 14 |
| Snow days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castrillo de Onielo during the most sunny months:
The largest precipitation sum in Castrillo de Onielo is at