Average annual temperature is 24.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Koumameyong
* Weather data for Koumameyong 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) | 32.5 | 33.9 | 32.6 | 32.1 | 32.3 | 31.3 | 30.2 | 31.0 | 31.3 | 31.3 | 31.3 | 33.1 |
| Average daytime temperature (°C) | 29.4 | 30.4 | 29.1 | 29.7 | 30.2 | 29.2 | 28.7 | 29.0 | 29.1 | 28.7 | 29.1 | 30.2 |
| Average temperature (°C) | 23.7 | 24.5 | 23.8 | 24.2 | 24.5 | 24.0 | 23.9 | 24.0 | 23.9 | 23.6 | 23.5 | 24.6 |
| Average night temperature (°C) | 20.5 | 21.0 | 20.9 | 20.9 | 21.5 | 20.7 | 20.5 | 20.6 | 21.0 | 21.0 | 21.0 | 21.4 |
| Absolute minimum temperature (°C) | 19.3 | 20.3 | 19.8 | 19.7 | 19.7 | 18.6 | 19.8 | 19.0 | 19.7 | 20.2 | 20.1 | 20.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 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) | 7.4 | 7.8 | 6.8 | 7.8 | 8.0 | 7.0 | 7.0 | 7.5 | 6.8 | 6.1 | 6.7 | 7.2 |
| Precipitation (mm) | 196 | 163 | 284 | 217 | 274 | 135 | 70 | 98 | 256 | 475 | 491 | 207 |
| Sunny days | 3 | 1 | 1 | 1 | 0 | 3 | 1 | 4 | 0 | 0 | 0 | 1 |
| Rainy days | 28 | 27 | 30 | 29 | 31 | 27 | 30 | 27 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koumameyong is at