Average annual temperature is 12.7 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 216 days
Number of rainy days: 149 days
Look at detailed online map of Castanheiro
* Weather data for Castanheiro 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) | 12.0 | 15.0 | 21.5 | 27.2 | 28.7 | 32.4 | 33.1 | 38.7 | 28.5 | 30.5 | 17.7 | 15.6 |
| Average daytime temperature (°C) | 8.1 | 10.2 | 14.0 | 20.1 | 21.6 | 24.4 | 28.0 | 30.0 | 22.9 | 20.2 | 12.8 | 7.4 |
| Average temperature (°C) | 3.9 | 4.0 | 8.7 | 13.1 | 15.1 | 18.6 | 20.7 | 22.1 | 17.1 | 15.4 | 9.3 | 3.8 |
| Average night temperature (°C) | 0.0 | -1.2 | 3.8 | 6.3 | 8.7 | 13.2 | 13.4 | 14.5 | 11.8 | 10.6 | 5.9 | 0.4 |
| Absolute minimum temperature (°C) | -5.0 | -4.3 | -4.3 | 0.1 | 4.2 | 10.3 | 9.2 | 10.8 | 6.3 | 3.7 | -0.2 | -5.4 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 6.0 | 8.8 | 8.8 | 10.6 | 11.9 | 12.5 | 13.4 | 12.4 | 10.2 | 6.8 | 5.3 | 4.5 |
| Precipitation (mm) | 105 | 11 | 40 | 16 | 83 | 112 | 0 | 0 | 87 | 163 | 94 | 66 |
| Sunny days | 16 | 21 | 13 | 22 | 17 | 13 | 27 | 31 | 14 | 12 | 14 | 16 |
| Rainy days | 15 | 7 | 18 | 8 | 14 | 17 | 4 | 0 | 16 | 19 | 16 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castanheiro during the most sunny months:
The largest precipitation sum in Castanheiro is at