Average annual temperature is 25.6 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: 20.4 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of Duma
* Weather data for Duma 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) | 33.0 | 33.2 | 33.1 | 33.4 | 33.3 | 31.7 | 30.8 | 31.8 | 32.4 | 32.8 | 33.0 | 33.3 |
| Average daytime temperature (°C) | 30.3 | 31.3 | 31.0 | 30.9 | 31.3 | 29.9 | 29.1 | 29.5 | 30.1 | 30.1 | 29.9 | 30.6 |
| Average temperature (°C) | 25.0 | 25.9 | 25.9 | 25.8 | 26.3 | 25.7 | 25.4 | 25.5 | 25.7 | 25.3 | 25.3 | 25.8 |
| Average night temperature (°C) | 22.3 | 23.1 | 23.2 | 23.0 | 23.6 | 23.0 | 22.7 | 22.6 | 23.3 | 23.3 | 23.1 | 23.4 |
| Absolute minimum temperature (°C) | 21.4 | 21.5 | 21.8 | 21.9 | 22.4 | 21.1 | 21.7 | 20.4 | 22.1 | 22.2 | 22.2 | 22.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 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) | 7.9 | 7.8 | 7.5 | 7.4 | 7.8 | 6.9 | 4.7 | 5.0 | 5.6 | 5.4 | 6.0 | 6.8 |
| Precipitation (mm) | 348 | 236 | 304 | 391 | 227 | 58 | 17 | 44 | 198 | 620 | 678 | 343 |
| Sunny days | 1 | 2 | 0 | 1 | 0 | 2 | 5 | 7 | 1 | 0 | 0 | 0 |
| Rainy days | 30 | 26 | 31 | 29 | 31 | 28 | 26 | 24 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Duma is at