Average annual temperature is 23.1 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Oyem
* Weather data for Oyem 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) | 30.8 | 32.0 | 31.8 | 31.2 | 30.9 | 30.9 | 29.7 | 30.2 | 30.1 | 30.5 | 30.6 | 32.4 |
| Average daytime temperature (°C) | 28.7 | 29.9 | 28.5 | 29.1 | 28.9 | 28.4 | 28.7 | 28.7 | 28.3 | 28.2 | 27.9 | 29.9 |
| Average temperature (°C) | 22.9 | 23.7 | 22.9 | 23.2 | 23.4 | 23.0 | 23.1 | 23.2 | 22.8 | 22.7 | 22.6 | 23.9 |
| Average night temperature (°C) | 19.3 | 19.7 | 19.9 | 19.8 | 20.3 | 20.1 | 20.1 | 20.0 | 20.1 | 20.0 | 19.9 | 20.3 |
| Absolute minimum temperature (°C) | 17.8 | 17.9 | 18.3 | 18.8 | 19.5 | 19.5 | 19.4 | 18.3 | 19.2 | 18.7 | 18.9 | 19.0 |
| 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) | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| 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) | 8.0 | 8.9 | 7.0 | 8.2 | 7.7 | 7.8 | 7.9 | 8.0 | 6.9 | 7.3 | 6.3 | 8.2 |
| Precipitation (mm) | 114 | 79 | 210 | 222 | 185 | 178 | 121 | 148 | 258 | 363 | 396 | 137 |
| Sunny days | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 4 |
| Rainy days | 30 | 27 | 30 | 29 | 30 | 29 | 31 | 30 | 30 | 31 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oyem is at