Average annual temperature is 16.7 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 215 days
Number of rainy days: 150 days
Look at detailed online map of Ribeira de São João
* Weather data for Ribeira de São João 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) | 17.9 | 20.3 | 26.6 | 31.1 | 33.2 | 34.0 | 31.2 | 42.1 | 34.9 | 34.8 | 21.8 | 19.6 |
| Average daytime temperature (°C) | 13.9 | 15.7 | 18.8 | 23.9 | 24.3 | 26.7 | 27.0 | 30.1 | 25.7 | 24.8 | 18.5 | 14.6 |
| Average temperature (°C) | 10.1 | 10.2 | 13.6 | 17.2 | 18.6 | 20.9 | 21.2 | 23.1 | 20.3 | 19.6 | 14.8 | 10.6 |
| Average night temperature (°C) | 6.8 | 6.1 | 9.4 | 12.0 | 13.9 | 16.5 | 16.8 | 18.3 | 16.4 | 15.7 | 11.9 | 7.4 |
| Absolute minimum temperature (°C) | 2.0 | 1.4 | 2.5 | 8.9 | 11.7 | 13.0 | 15.4 | 15.3 | 13.8 | 11.4 | 7.3 | 3.3 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 6.9 | 8.7 | 8.8 | 10.8 | 11.4 | 12.3 | 12.8 | 11.9 | 9.8 | 7.4 | 6.8 | 6.0 |
| Precipitation (mm) | 68 | 23 | 34 | 30 | 19 | 48 | 1 | 1 | 50 | 115 | 95 | 41 |
| Sunny days | 17 | 15 | 16 | 23 | 17 | 17 | 26 | 27 | 15 | 12 | 13 | 17 |
| Rainy days | 14 | 13 | 15 | 7 | 14 | 13 | 5 | 4 | 15 | 19 | 17 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ribeira de São João during the most sunny months:
The largest precipitation sum in Ribeira de São João is at