Average annual temperature is 25.6 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 147 days
Number of rainy days: 218 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) | 33.2 | 34.2 | 34.9 | 34.9 | 31.5 | 30.7 | 32.9 | 35.4 | 36.0 | 38.3 | 38.3 | 39.8 |
| Average daytime temperature (°C) | 30.3 | 32.4 | 31.4 | 31.9 | 28.5 | 28.1 | 28.9 | 30.5 | 32.3 | 34.8 | 34.7 | 35.0 |
| Average temperature (°C) | 24.9 | 26.5 | 25.7 | 25.8 | 24.0 | 22.9 | 22.9 | 24.1 | 25.6 | 27.8 | 28.2 | 28.4 |
| Average night temperature (°C) | 20.2 | 21.4 | 21.0 | 21.1 | 20.5 | 19.1 | 18.0 | 18.9 | 19.6 | 21.1 | 22.1 | 22.5 |
| Absolute minimum temperature (°C) | 18.6 | 18.6 | 18.0 | 18.3 | 17.4 | 15.5 | 15.3 | 16.7 | 17.1 | 18.9 | 19.1 | 20.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.4 | 11.1 | 10.1 | 10.2 | 7.9 | 7.8 | 9.2 | 10.0 | 10.9 | 11.2 | 11.2 | 10.9 |
| Precipitation (mm) | 71 | 35 | 99 | 30 | 71 | 12 | 3 | 6 | 5 | 0 | 21 | 26 |
| Sunny days | 4 | 8 | 10 | 7 | 2 | 8 | 14 | 13 | 17 | 28 | 15 | 21 |
| Rainy days | 27 | 20 | 21 | 23 | 29 | 22 | 17 | 18 | 13 | 3 | 15 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São Tomé is at