Average annual temperature is 20.8 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 6.2 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of São Tomás
* Weather data for São Tomás Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.3 | 33.2 | 33.6 | 31.5 | 29.7 | 30.0 | 29.2 | 31.8 | 37.2 | 30.1 | 33.9 | 34.1 |
| Average daytime temperature (°C) | 29.0 | 28.0 | 28.8 | 24.7 | 24.1 | 22.6 | 21.0 | 22.9 | 24.1 | 22.5 | 26.0 | 28.5 |
| Average temperature (°C) | 24.6 | 23.9 | 24.5 | 20.7 | 19.2 | 17.1 | 16.8 | 17.5 | 19.9 | 19.2 | 21.9 | 24.4 |
| Average night temperature (°C) | 20.9 | 20.2 | 21.2 | 17.5 | 15.3 | 13.1 | 13.7 | 13.1 | 16.6 | 16.7 | 18.5 | 21.1 |
| Absolute minimum temperature (°C) | 16.3 | 13.3 | 17.3 | 11.4 | 10.9 | 6.5 | 7.7 | 6.2 | 8.9 | 9.6 | 11.3 | 16.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 9.5 | 9.6 | 8.3 | 8.2 | 7.3 | 7.0 | 8.1 | 6.5 | 5.5 | 7.9 | 10.0 |
| Precipitation (mm) | 121 | 196 | 103 | 86 | 38 | 112 | 91 | 46 | 114 | 378 | 212 | 107 |
| Sunny days | 5 | 5 | 8 | 14 | 20 | 20 | 17 | 18 | 10 | 7 | 11 | 9 |
| Rainy days | 26 | 23 | 23 | 16 | 11 | 10 | 14 | 13 | 20 | 24 | 19 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit São Tomás during the most sunny months:
The largest precipitation sum in São Tomás is at