Average annual temperature is 19.2 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 4.0 °C
Number of sunny days: 259 days
Number of rainy days: 106 days
Look at detailed online map of Rio Seco
* Weather data for Rio Seco 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) | 20.1 | 18.6 | 24.4 | 28.7 | 31.1 | 39.2 | 37.3 | 38.9 | 30.3 | 29.7 | 22.8 | 19.8 |
| Average daytime temperature (°C) | 16.2 | 16.3 | 19.4 | 23.8 | 24.2 | 27.4 | 31.1 | 32.4 | 25.4 | 24.3 | 20.0 | 17.0 |
| Average temperature (°C) | 12.4 | 12.7 | 15.5 | 19.1 | 20.3 | 23.8 | 26.1 | 27.3 | 21.8 | 21.0 | 16.2 | 13.1 |
| Average night temperature (°C) | 9.2 | 9.5 | 11.4 | 14.1 | 15.9 | 19.8 | 21.0 | 22.1 | 18.5 | 17.9 | 12.8 | 9.9 |
| Absolute minimum temperature (°C) | 4.6 | 5.1 | 4.0 | 8.6 | 13.7 | 16.3 | 17.4 | 18.0 | 15.1 | 12.5 | 8.1 | 6.8 |
| 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 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 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) | 8.3 | 8.5 | 9.7 | 11.8 | 12.4 | 12.3 | 13.1 | 12.3 | 10.2 | 8.9 | 8.3 | 7.3 |
| Precipitation (mm) | 25 | 22 | 20 | 6 | 31 | 27 | 0 | 0 | 31 | 152 | 33 | 33 |
| Sunny days | 21 | 17 | 23 | 26 | 21 | 21 | 31 | 30 | 18 | 14 | 19 | 18 |
| Rainy days | 10 | 11 | 8 | 4 | 10 | 9 | 0 | 1 | 12 | 17 | 11 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rio Seco during the most sunny months:
The largest precipitation sum in Rio Seco is at