Average annual temperature is 25.4 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 20 days
Number of rainy days: 345 days
Look at detailed online map of Oyam
* Weather data for Oyam 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) | 32.7 | 34.0 | 32.8 | 33.0 | 32.9 | 32.0 | 29.8 | 31.2 | 32.6 | 33.5 | 32.6 | 33.2 |
| Average daytime temperature (°C) | 30.0 | 31.2 | 30.6 | 30.8 | 31.4 | 29.6 | 28.4 | 29.1 | 29.9 | 30.5 | 30.1 | 30.6 |
| Average temperature (°C) | 24.9 | 25.8 | 25.7 | 25.6 | 26.2 | 25.4 | 24.8 | 25.1 | 25.4 | 25.3 | 25.1 | 25.7 |
| Average night temperature (°C) | 22.3 | 22.9 | 23.0 | 23.0 | 23.5 | 22.7 | 22.3 | 22.4 | 22.9 | 23.1 | 22.9 | 23.2 |
| Absolute minimum temperature (°C) | 21.7 | 21.9 | 22.0 | 21.8 | 22.8 | 21.2 | 21.3 | 20.7 | 21.8 | 22.1 | 22.2 | 22.5 |
| 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) | 7.6 | 8.1 | 7.4 | 7.4 | 8.2 | 6.5 | 4.3 | 4.9 | 5.5 | 5.7 | 5.9 | 7.3 |
| Precipitation (mm) | 270 | 206 | 283 | 340 | 252 | 94 | 26 | 41 | 228 | 589 | 672 | 355 |
| Sunny days | 0 | 1 | 0 | 3 | 0 | 3 | 6 | 4 | 3 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 27 | 31 | 27 | 25 | 27 | 27 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oyam is at