Average annual temperature is 15.6 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of Rio Tinto
* Weather data for Rio Tinto 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) | 15.6 | 20.0 | 23.2 | 27.6 | 30.2 | 31.5 | 32.0 | 38.3 | 33.7 | 33.1 | 19.8 | 18.0 |
| Average daytime temperature (°C) | 12.8 | 14.9 | 16.4 | 20.7 | 22.8 | 25.1 | 26.0 | 28.4 | 24.6 | 22.7 | 16.7 | 13.4 |
| Average temperature (°C) | 8.9 | 9.4 | 12.0 | 15.0 | 17.6 | 20.2 | 20.3 | 22.3 | 19.3 | 18.3 | 13.5 | 9.6 |
| Average night temperature (°C) | 5.6 | 5.6 | 8.2 | 10.2 | 13.0 | 15.6 | 15.1 | 17.0 | 15.4 | 14.8 | 11.0 | 6.4 |
| Absolute minimum temperature (°C) | -0.5 | 0.3 | 0.6 | 6.1 | 9.7 | 12.8 | 12.6 | 13.3 | 10.6 | 10.0 | 5.5 | -1.1 |
| 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 | 9.3 |
| 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) | 6.1 | 9.1 | 7.7 | 10.0 | 11.7 | 11.9 | 12.8 | 11.8 | 9.9 | 6.5 | 5.3 | 5.7 |
| Precipitation (mm) | 253 | 10 | 168 | 42 | 81 | 107 | 14 | 5 | 163 | 370 | 282 | 176 |
| Sunny days | 15 | 19 | 10 | 17 | 16 | 12 | 24 | 28 | 13 | 12 | 11 | 14 |
| Rainy days | 16 | 9 | 21 | 13 | 15 | 18 | 7 | 3 | 17 | 19 | 19 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rio Tinto during the most sunny months:
The largest precipitation sum in Rio Tinto is at