Average annual temperature is 25.2 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 31 days
Number of rainy days: 334 days
Look at detailed online map of Oloumi
* Weather data for Oloumi 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) | 33.3 | 34.3 | 34.0 | 33.8 | 32.8 | 31.7 | 30.6 | 32.4 | 33.3 | 34.2 | 33.9 | 33.4 |
| Average daytime temperature (°C) | 30.5 | 31.4 | 31.5 | 31.0 | 31.4 | 29.6 | 28.7 | 29.7 | 30.5 | 30.9 | 30.3 | 30.8 |
| Average temperature (°C) | 24.7 | 25.5 | 25.6 | 25.5 | 25.9 | 25.0 | 24.3 | 25.0 | 25.5 | 25.4 | 25.1 | 25.3 |
| Average night temperature (°C) | 21.9 | 22.5 | 22.6 | 22.7 | 23.2 | 21.8 | 20.8 | 21.0 | 22.2 | 23.0 | 22.8 | 22.9 |
| Absolute minimum temperature (°C) | 20.9 | 21.0 | 21.6 | 21.5 | 22.5 | 19.0 | 19.6 | 18.0 | 20.9 | 22.2 | 21.5 | 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) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| 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) | 6.9 | 7.6 | 7.7 | 6.5 | 7.8 | 6.7 | 4.3 | 4.7 | 5.3 | 6.2 | 6.1 | 6.2 |
| Precipitation (mm) | 432 | 262 | 333 | 348 | 276 | 26 | 7 | 8 | 88 | 457 | 670 | 428 |
| Sunny days | 0 | 0 | 0 | 1 | 0 | 4 | 12 | 12 | 2 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 29 | 31 | 26 | 19 | 19 | 28 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oloumi is at