Average annual temperature is 22.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 5 days
Number of rainy days: 360 days
Look at detailed online map of Koume
* Weather data for Koume 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) | 30.6 | 31.6 | 31.8 | 31.2 | 30.9 | 30.1 | 29.8 | 30.4 | 30.9 | 30.4 | 30.4 | 31.9 |
| Average daytime temperature (°C) | 28.1 | 29.4 | 28.5 | 28.8 | 28.8 | 28.3 | 28.0 | 28.3 | 28.1 | 27.6 | 27.9 | 29.2 |
| Average temperature (°C) | 22.4 | 23.2 | 22.9 | 22.9 | 23.4 | 22.7 | 22.7 | 22.7 | 22.7 | 22.5 | 22.4 | 23.5 |
| Average night temperature (°C) | 19.5 | 20.1 | 20.1 | 19.8 | 20.7 | 20.1 | 19.9 | 19.8 | 20.3 | 20.3 | 20.2 | 20.4 |
| Absolute minimum temperature (°C) | 18.3 | 18.9 | 18.8 | 18.6 | 19.8 | 18.8 | 18.8 | 18.0 | 19.3 | 19.6 | 19.4 | 19.1 |
| 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 | 12.2 | 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) | 7.7 | 8.3 | 7.0 | 8.1 | 8.3 | 7.8 | 7.4 | 8.0 | 6.4 | 7.0 | 6.3 | 8.6 |
| Precipitation (mm) | 196 | 216 | 249 | 286 | 197 | 160 | 114 | 161 | 292 | 511 | 581 | 227 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 28 | 31 | 31 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koume is at