Average annual temperature is 22.8 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 8.6 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of São Tomé
* Weather data for São Tomé 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) | 28.7 | 31.3 | 32.0 | 31.3 | 28.8 | 27.2 | 30.2 | 32.9 | 37.2 | 33.5 | 37.9 | 33.9 |
| Average daytime temperature (°C) | 26.5 | 29.5 | 30.2 | 28.2 | 26.5 | 24.7 | 26.0 | 28.4 | 31.5 | 31.1 | 32.2 | 31.3 |
| Average temperature (°C) | 22.1 | 24.1 | 24.4 | 22.6 | 20.1 | 18.3 | 19.5 | 21.6 | 24.4 | 25.1 | 26.1 | 25.5 |
| Average night temperature (°C) | 18.8 | 19.1 | 18.9 | 18.1 | 14.7 | 12.8 | 13.6 | 15.4 | 18.0 | 20.4 | 20.3 | 20.6 |
| Absolute minimum temperature (°C) | 16.9 | 17.2 | 15.8 | 15.5 | 11.0 | 9.7 | 8.6 | 11.2 | 13.0 | 17.5 | 14.5 | 19.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.1 | 12.7 | 12.2 | 11.7 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.8 | 11.3 | 10.6 | 9.5 | 9.9 | 9.7 | 9.7 | 10.0 | 10.8 | 10.5 | 11.2 | 11.1 |
| Precipitation (mm) | 252 | 33 | 22 | 59 | 2 | 13 | 3 | 27 | 14 | 103 | 40 | 153 |
| Sunny days | 1 | 6 | 14 | 9 | 25 | 26 | 25 | 19 | 22 | 11 | 14 | 6 |
| Rainy days | 30 | 22 | 17 | 21 | 6 | 4 | 6 | 12 | 8 | 20 | 16 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São Tomé is at