Average annual temperature is 19.6 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 256 days
Number of rainy days: 109 days
Look at detailed online map of Vale de Gralhas
* Weather data for Vale de Gralhas 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) | 20.2 | 20.1 | 26.6 | 33.7 | 32.2 | 40.2 | 39.5 | 42.0 | 33.3 | 32.6 | 25.0 | 20.7 |
| Average daytime temperature (°C) | 16.2 | 16.4 | 21.1 | 26.1 | 25.9 | 29.7 | 34.2 | 35.2 | 26.8 | 24.8 | 20.7 | 17.0 |
| Average temperature (°C) | 11.9 | 12.5 | 16.0 | 20.2 | 21.1 | 24.8 | 27.7 | 28.9 | 22.1 | 20.7 | 16.0 | 12.4 |
| Average night temperature (°C) | 8.6 | 9.2 | 11.7 | 14.9 | 16.1 | 19.8 | 21.1 | 22.3 | 18.1 | 17.1 | 12.4 | 8.9 |
| Absolute minimum temperature (°C) | 4.5 | 5.0 | 4.4 | 9.7 | 13.7 | 16.5 | 17.3 | 17.2 | 14.7 | 11.6 | 7.5 | 4.9 |
| 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) | 8.1 | 8.5 | 9.6 | 11.7 | 12.3 | 12.2 | 13.1 | 12.3 | 10.1 | 8.7 | 8.3 | 7.2 |
| Precipitation (mm) | 32 | 24 | 17 | 7 | 36 | 39 | 0 | 0 | 48 | 195 | 41 | 31 |
| Sunny days | 20 | 14 | 23 | 26 | 19 | 22 | 31 | 30 | 17 | 15 | 20 | 19 |
| Rainy days | 11 | 14 | 8 | 4 | 12 | 8 | 0 | 1 | 13 | 16 | 10 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Vale de Gralhas during the most sunny months:
The largest precipitation sum in Vale de Gralhas is at