Average annual temperature is 23.5 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Tomassi
* Weather data for Tomassi Gabon is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.4 | 32.7 | 31.8 | 31.5 | 31.8 | 31.3 | 30.4 | 31.5 | 31.7 | 31.3 | 30.8 | 33.3 |
| Average daytime temperature (°C) | 29.1 | 30.5 | 28.9 | 29.6 | 29.5 | 29.1 | 29.2 | 29.5 | 29.1 | 28.7 | 28.5 | 30.4 |
| Average temperature (°C) | 23.2 | 24.1 | 23.2 | 23.6 | 23.9 | 23.5 | 23.5 | 23.8 | 23.4 | 23.1 | 23.0 | 24.2 |
| Average night temperature (°C) | 19.7 | 20.1 | 20.0 | 20.2 | 20.6 | 20.2 | 20.3 | 20.3 | 20.4 | 20.3 | 20.2 | 20.5 |
| Absolute minimum temperature (°C) | 18.1 | 18.5 | 18.5 | 18.9 | 19.7 | 19.2 | 19.1 | 19.0 | 19.1 | 19.0 | 18.9 | 18.8 |
| 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 | 12.2 | 12.2 | 12.2 | 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) | 7.4 | 8.0 | 6.7 | 7.6 | 7.4 | 7.1 | 6.6 | 7.5 | 6.3 | 6.4 | 6.0 | 7.8 |
| Precipitation (mm) | 134 | 95 | 288 | 246 | 193 | 147 | 132 | 127 | 280 | 412 | 442 | 180 |
| Sunny days | 1 | 1 | 0 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 5 |
| Rainy days | 30 | 27 | 31 | 28 | 30 | 28 | 31 | 30 | 30 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tomassi is at