Average annual temperature is 16.0 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 193 days
Number of rainy days: 172 days
Look at detailed online map of Casal de São Tomé
* Weather data for Casal de São Tomé 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) | 16.0 | 21.5 | 24.8 | 28.9 | 28.4 | 29.0 | 27.5 | 35.9 | 32.8 | 32.6 | 20.6 | 19.1 |
| Average daytime temperature (°C) | 13.9 | 16.2 | 17.4 | 20.9 | 22.2 | 24.0 | 24.1 | 25.9 | 24.1 | 23.3 | 17.8 | 14.8 |
| Average temperature (°C) | 10.0 | 10.6 | 13.1 | 15.7 | 17.7 | 19.9 | 19.7 | 20.9 | 19.3 | 18.8 | 14.7 | 10.8 |
| Average night temperature (°C) | 6.4 | 6.2 | 9.3 | 10.7 | 13.6 | 16.2 | 15.8 | 16.9 | 15.4 | 15.3 | 12.0 | 7.5 |
| Absolute minimum temperature (°C) | -0.3 | 0.7 | 1.0 | 6.0 | 9.9 | 12.4 | 13.2 | 12.9 | 11.1 | 11.9 | 4.1 | -0.6 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 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) | 6.5 | 8.9 | 8.4 | 10.2 | 11.3 | 12.2 | 12.5 | 11.4 | 10.1 | 7.0 | 5.7 | 6.0 |
| Precipitation (mm) | 145 | 9 | 58 | 31 | 47 | 70 | 6 | 2 | 78 | 233 | 162 | 93 |
| Sunny days | 15 | 19 | 10 | 16 | 16 | 17 | 21 | 27 | 13 | 12 | 11 | 16 |
| Rainy days | 16 | 9 | 21 | 14 | 15 | 13 | 10 | 4 | 17 | 19 | 19 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casal de São Tomé during the most sunny months:
The largest precipitation sum in Casal de São Tomé is at