Average annual temperature is 12.2 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 204 days
Number of rainy days: 161 days
Look at detailed online map of São Tiago
* Weather data for São Tiago 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) | 10.8 | 15.4 | 20.3 | 25.8 | 26.4 | 31.3 | 30.9 | 37.1 | 27.5 | 28.2 | 16.8 | 14.4 |
| Average daytime temperature (°C) | 7.6 | 10.2 | 13.2 | 19.1 | 20.8 | 23.7 | 26.8 | 28.7 | 21.9 | 19.2 | 12.6 | 7.3 |
| Average temperature (°C) | 3.8 | 4.5 | 8.3 | 12.2 | 14.3 | 17.8 | 19.7 | 21.1 | 16.3 | 14.9 | 9.2 | 3.9 |
| Average night temperature (°C) | 0.4 | -0.3 | 3.7 | 6.0 | 8.4 | 12.4 | 12.5 | 14.1 | 11.6 | 11.0 | 6.2 | 0.6 |
| Absolute minimum temperature (°C) | -4.0 | -5.1 | -5.6 | 0.2 | 3.4 | 8.9 | 8.2 | 9.0 | 5.4 | 4.0 | -0.1 | -4.3 |
| 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 | 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 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 8.9 | 8.3 | 10.5 | 12.2 | 12.5 | 13.3 | 12.5 | 9.9 | 6.6 | 5.1 | 5.0 |
| Precipitation (mm) | 133 | 12 | 41 | 31 | 75 | 119 | 3 | 0 | 100 | 211 | 143 | 90 |
| Sunny days | 17 | 20 | 12 | 19 | 15 | 11 | 27 | 30 | 13 | 13 | 11 | 16 |
| Rainy days | 14 | 8 | 19 | 11 | 16 | 19 | 4 | 1 | 17 | 18 | 19 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit São Tiago during the most sunny months:
The largest precipitation sum in São Tiago is at