Average annual temperature is 22.1 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 12.0 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of São Tomé
* Weather data for São Tomé Angola is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.0 | 32.3 | 31.8 | 30.7 | 32.4 | 32.1 | 32.1 | 35.4 | 33.6 | 32.7 | 31.2 | 31.1 |
| Average daytime temperature (°C) | 27.1 | 29.4 | 28.4 | 28.6 | 30.7 | 30.0 | 30.4 | 31.8 | 30.5 | 29.2 | 27.9 | 28.3 |
| Average temperature (°C) | 21.3 | 22.5 | 22.0 | 22.4 | 23.2 | 21.4 | 21.1 | 22.3 | 22.4 | 22.4 | 22.0 | 22.5 |
| Average night temperature (°C) | 18.0 | 18.1 | 18.1 | 18.4 | 18.3 | 15.8 | 14.1 | 15.8 | 17.1 | 18.3 | 18.9 | 19.1 |
| Absolute minimum temperature (°C) | 16.5 | 15.2 | 16.3 | 16.9 | 14.1 | 12.5 | 12.0 | 12.9 | 15.1 | 16.4 | 15.9 | 17.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 8.5 | 9.0 | 8.1 | 8.8 | 9.7 | 9.5 | 10.3 | 9.9 | 9.2 | 8.1 | 7.1 | 9.4 |
| Precipitation (mm) | 119 | 61 | 127 | 130 | 11 | 0 | 0 | 0 | 17 | 100 | 240 | 143 |
| Sunny days | 1 | 9 | 5 | 3 | 12 | 27 | 30 | 28 | 12 | 3 | 0 | 1 |
| Rainy days | 30 | 19 | 26 | 27 | 19 | 3 | 1 | 3 | 18 | 28 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São Tomé is at