Average annual temperature is 16.2 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 194 days
Number of rainy days: 171 days
Look at detailed online map of Castanheira
* Weather data for Castanheira Portugal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.0 | 22.0 | 26.0 | 29.9 | 32.7 | 32.7 | 31.8 | 39.5 | 34.6 | 34.1 | 21.3 | 18.9 |
| Average daytime temperature (°C) | 13.8 | 16.5 | 18.5 | 23.1 | 24.2 | 26.1 | 26.8 | 29.2 | 25.5 | 24.2 | 17.8 | 14.6 |
| Average temperature (°C) | 9.5 | 10.4 | 13.1 | 16.1 | 18.2 | 20.4 | 20.7 | 22.3 | 19.6 | 18.9 | 14.2 | 10.3 |
| Average night temperature (°C) | 5.7 | 5.8 | 8.4 | 10.1 | 12.9 | 15.5 | 15.6 | 16.7 | 15.1 | 14.5 | 11.2 | 6.9 |
| Absolute minimum temperature (°C) | -1.5 | -0.9 | -0.3 | 6.0 | 9.5 | 11.3 | 12.2 | 13.3 | 10.4 | 10.0 | 4.5 | 0.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 8.9 | 8.8 | 10.3 | 11.3 | 12.1 | 12.6 | 11.8 | 10.1 | 7.0 | 6.2 | 6.0 |
| Precipitation (mm) | 170 | 15 | 98 | 33 | 66 | 74 | 5 | 2 | 107 | 223 | 161 | 82 |
| Sunny days | 12 | 20 | 13 | 19 | 15 | 15 | 24 | 28 | 12 | 12 | 10 | 14 |
| Rainy days | 19 | 8 | 18 | 11 | 16 | 15 | 7 | 3 | 18 | 19 | 20 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castanheira during the most sunny months:
The largest precipitation sum in Castanheira is at