Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 183 days
Number of rainy days: 182 days
Look at detailed online map of S. Simão
* Weather data for S. Simão 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) | 14.3 | 19.2 | 21.3 | 25.1 | 26.6 | 31.4 | 30.2 | 36.7 | 30.6 | 30.5 | 19.5 | 16.1 |
| Average daytime temperature (°C) | 11.2 | 14.2 | 14.6 | 19.3 | 21.1 | 24.1 | 25.2 | 27.4 | 23.1 | 20.7 | 15.0 | 12.7 |
| Average temperature (°C) | 7.5 | 8.4 | 10.9 | 14.2 | 16.1 | 19.7 | 20.1 | 21.6 | 18.4 | 17.0 | 11.9 | 9.0 |
| Average night temperature (°C) | 4.2 | 4.2 | 7.2 | 9.1 | 11.4 | 15.0 | 14.8 | 16.2 | 14.4 | 13.8 | 9.5 | 5.6 |
| Absolute minimum temperature (°C) | -0.5 | -1.2 | -0.7 | 3.3 | 6.9 | 12.1 | 10.5 | 11.2 | 9.1 | 8.1 | 5.0 | 0.9 |
| 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 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) | 5.7 | 9.0 | 6.3 | 9.7 | 10.9 | 11.7 | 12.7 | 11.7 | 9.5 | 5.7 | 4.5 | 5.1 |
| Precipitation (mm) | 416 | 13 | 333 | 95 | 109 | 202 | 32 | 19 | 181 | 642 | 551 | 341 |
| Sunny days | 12 | 22 | 10 | 18 | 16 | 12 | 20 | 26 | 11 | 13 | 10 | 13 |
| Rainy days | 19 | 6 | 21 | 12 | 15 | 18 | 11 | 5 | 19 | 18 | 20 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit S. Simão during the most sunny months:
The largest precipitation sum in S. Simão is at