Average annual temperature is 16.0 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 198 days
Number of rainy days: 167 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) | 16.1 | 21.6 | 25.5 | 29.9 | 31.9 | 30.7 | 29.3 | 38.3 | 34.6 | 34.2 | 21.3 | 18.9 |
| Average daytime temperature (°C) | 13.8 | 16.1 | 17.9 | 22.0 | 23.3 | 25.1 | 25.3 | 27.6 | 25.0 | 23.8 | 17.8 | 14.6 |
| Average temperature (°C) | 9.5 | 10.2 | 12.9 | 15.8 | 18.0 | 20.1 | 20.1 | 21.6 | 19.4 | 18.8 | 14.4 | 10.4 |
| Average night temperature (°C) | 5.8 | 5.6 | 8.3 | 10.3 | 13.1 | 15.9 | 15.7 | 17.0 | 15.2 | 14.9 | 11.5 | 7.0 |
| Absolute minimum temperature (°C) | -1.6 | -0.2 | -1.0 | 6.2 | 9.4 | 11.8 | 12.5 | 12.7 | 10.5 | 11.3 | 4.6 | -0.5 |
| 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 | 8.8 | 8.6 | 10.3 | 11.3 | 12.1 | 12.5 | 11.7 | 10.0 | 7.0 | 5.9 | 6.0 |
| Precipitation (mm) | 164 | 18 | 91 | 26 | 40 | 95 | 5 | 2 | 83 | 250 | 166 | 81 |
| Sunny days | 14 | 19 | 13 | 18 | 15 | 17 | 24 | 28 | 13 | 12 | 12 | 13 |
| Rainy days | 17 | 9 | 18 | 12 | 16 | 13 | 7 | 3 | 17 | 19 | 18 | 18 |
| 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