Average annual temperature is 17.3 °C
Absolute maximum temperature: 26.3 °C
Absolute minimum temperature: 8.0 °C
Number of sunny days: 53 days
Number of rainy days: 312 days
Look at detailed online map of Relva
* Weather data for Relva 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) | 17.4 | 16.4 | 18.0 | 19.0 | 20.6 | 24.8 | 26.3 | 26.1 | 25.3 | 23.8 | 21.3 | 19.9 |
| Average daytime temperature (°C) | 15.1 | 15.1 | 16.6 | 17.4 | 18.9 | 20.9 | 22.8 | 24.5 | 23.2 | 20.9 | 19.2 | 17.3 |
| Average temperature (°C) | 13.6 | 13.1 | 15.1 | 15.4 | 16.7 | 18.7 | 20.3 | 22.0 | 20.6 | 19.0 | 17.6 | 15.3 |
| Average night temperature (°C) | 12.0 | 11.2 | 13.7 | 13.6 | 14.8 | 16.8 | 17.9 | 19.6 | 18.2 | 17.5 | 16.0 | 13.4 |
| Absolute minimum temperature (°C) | 8.7 | 8.0 | 11.0 | 10.5 | 12.3 | 14.3 | 15.6 | 17.7 | 15.8 | 13.8 | 11.0 | 9.4 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.5 | 8.0 | 7.9 | 10.2 | 11.8 | 11.0 | 12.0 | 11.6 | 10.5 | 7.1 | 6.4 | 6.0 |
| Precipitation (mm) | 50 | 135 | 260 | 189 | 91 | 189 | 76 | 100 | 94 | 214 | 208 | 191 |
| Sunny days | 6 | 8 | 1 | 4 | 0 | 5 | 2 | 5 | 8 | 4 | 3 | 7 |
| Rainy days | 25 | 20 | 30 | 26 | 31 | 25 | 29 | 26 | 22 | 27 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Relva during the most sunny months:
The largest precipitation sum in Relva is at