Average annual temperature is 16.4 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of Casal de Relvas
* Weather data for Casal de Relvas 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) | 17.0 | 21.8 | 26.7 | 29.9 | 32.1 | 32.5 | 29.0 | 40.9 | 34.5 | 34.9 | 21.7 | 19.0 |
| Average daytime temperature (°C) | 14.0 | 16.0 | 18.3 | 22.7 | 23.5 | 25.7 | 25.6 | 28.3 | 25.6 | 24.4 | 18.2 | 15.3 |
| Average temperature (°C) | 10.1 | 10.8 | 13.5 | 16.5 | 17.9 | 20.4 | 20.3 | 22.0 | 20.0 | 19.6 | 14.7 | 11.2 |
| Average night temperature (°C) | 6.7 | 6.7 | 9.5 | 11.5 | 13.0 | 16.1 | 15.9 | 17.2 | 16.0 | 15.7 | 11.7 | 7.8 |
| Absolute minimum temperature (°C) | 1.1 | 2.0 | 1.3 | 8.1 | 8.4 | 12.7 | 13.4 | 13.9 | 12.2 | 11.3 | 5.8 | 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 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) | 6.7 | 8.7 | 9.1 | 10.6 | 11.5 | 12.4 | 12.6 | 11.8 | 10.1 | 7.3 | 6.7 | 6.4 |
| Precipitation (mm) | 132 | 23 | 72 | 33 | 46 | 48 | 8 | 8 | 63 | 206 | 129 | 55 |
| Sunny days | 17 | 17 | 12 | 16 | 14 | 16 | 17 | 26 | 11 | 12 | 9 | 15 |
| Rainy days | 14 | 11 | 19 | 14 | 17 | 14 | 14 | 5 | 19 | 19 | 21 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casal de Relvas during the most sunny months:
The largest precipitation sum in Casal de Relvas is at