Average annual temperature is 19.5 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 269 days
Number of rainy days: 96 days
Look at detailed online map of Castelhanos
* Weather data for Castelhanos 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) | 20.8 | 20.0 | 25.3 | 32.7 | 32.3 | 37.3 | 37.1 | 39.9 | 31.6 | 32.3 | 25.3 | 21.5 |
| Average daytime temperature (°C) | 16.6 | 16.7 | 21.1 | 25.9 | 25.7 | 29.4 | 32.5 | 34.3 | 26.4 | 25.0 | 20.9 | 16.9 |
| Average temperature (°C) | 12.0 | 12.2 | 16.1 | 20.1 | 21.1 | 24.9 | 27.0 | 28.2 | 22.1 | 21.1 | 16.2 | 12.4 |
| Average night temperature (°C) | 8.5 | 8.3 | 11.2 | 14.4 | 16.1 | 20.0 | 20.5 | 21.7 | 18.2 | 17.5 | 12.6 | 8.9 |
| Absolute minimum temperature (°C) | 3.9 | 5.0 | 4.7 | 10.5 | 14.1 | 15.8 | 17.6 | 18.1 | 15.2 | 11.6 | 8.7 | 4.7 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 8.2 | 8.4 | 9.3 | 11.8 | 11.9 | 12.4 | 13.0 | 12.3 | 10.0 | 8.6 | 8.1 | 6.9 |
| Precipitation (mm) | 18 | 26 | 13 | 3 | 39 | 27 | 0 | 0 | 49 | 159 | 10 | 33 |
| Sunny days | 22 | 19 | 24 | 26 | 21 | 24 | 30 | 31 | 16 | 16 | 21 | 19 |
| Rainy days | 9 | 9 | 7 | 4 | 10 | 6 | 1 | 0 | 14 | 15 | 9 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castelhanos during the most sunny months:
The largest precipitation sum in Castelhanos is at