Average annual temperature is 12.2 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 190 days
Number of rainy days: 174 days
Number of snow days: 1 day
Look at detailed online map of Gralheira
* Weather data for Gralheira 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) | 11.2 | 13.6 | 19.1 | 23.3 | 24.0 | 29.3 | 28.4 | 35.9 | 26.8 | 27.6 | 16.4 | 13.5 |
| Average daytime temperature (°C) | 7.6 | 9.4 | 12.2 | 17.2 | 18.9 | 22.1 | 24.1 | 26.9 | 21.0 | 18.3 | 12.3 | 8.5 |
| Average temperature (°C) | 4.4 | 4.7 | 8.4 | 12.1 | 13.5 | 17.5 | 18.6 | 20.5 | 16.6 | 15.1 | 9.5 | 5.5 |
| Average night temperature (°C) | 1.4 | 0.8 | 4.8 | 6.9 | 8.6 | 13.1 | 13.2 | 14.4 | 12.7 | 11.7 | 7.0 | 2.8 |
| Absolute minimum temperature (°C) | -2.6 | -4.0 | -4.0 | 0.8 | 4.9 | 10.1 | 9.2 | 9.0 | 8.2 | 5.7 | 2.2 | -1.5 |
| 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 | 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 | 9.2 |
| 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) | 6.2 | 8.9 | 8.1 | 10.4 | 12.1 | 12.7 | 13.1 | 12.5 | 10.2 | 6.3 | 4.8 | 5.4 |
| Precipitation (mm) | 198 | 13 | 85 | 47 | 100 | 124 | 7 | 2 | 144 | 353 | 280 | 128 |
| Sunny days | 15 | 20 | 12 | 19 | 15 | 9 | 23 | 27 | 11 | 12 | 12 | 15 |
| Rainy days | 16 | 7 | 19 | 11 | 16 | 21 | 8 | 4 | 19 | 19 | 18 | 16 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gralheira during the most sunny months:
The largest precipitation sum in Gralheira is at