Average annual temperature is 23.5 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: 19.4 °C
Number of rainy days: 365 days
Look at detailed online map of Granja
* Weather data for Granja São Tomé and Príncipe is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.7 | 28.5 | 29.1 | 28.4 | 28.6 | 26.5 | 25.3 | 24.7 | 26.2 | 26.4 | 26.9 | 28.4 |
| Average daytime temperature (°C) | 26.4 | 27.3 | 27.6 | 27.1 | 27.0 | 24.9 | 23.6 | 23.7 | 24.5 | 25.5 | 25.7 | 26.4 |
| Average temperature (°C) | 23.5 | 24.4 | 24.6 | 24.5 | 24.5 | 22.9 | 21.8 | 21.9 | 22.6 | 23.5 | 23.8 | 24.2 |
| Average night temperature (°C) | 21.7 | 22.4 | 22.5 | 22.6 | 22.8 | 21.6 | 20.7 | 20.9 | 21.5 | 22.4 | 22.6 | 22.9 |
| Absolute minimum temperature (°C) | 20.3 | 21.0 | 21.5 | 20.7 | 22.1 | 19.8 | 20.1 | 19.4 | 20.7 | 21.8 | 22.0 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.6 | 9.2 | 8.5 | 8.4 | 9.1 | 9.4 | 7.0 | 7.0 | 7.9 | 6.5 | 6.9 | 8.6 |
| Precipitation (mm) | 294 | 176 | 288 | 254 | 229 | 246 | 310 | 380 | 361 | 691 | 435 | 517 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Granja is at