Average annual temperature is 22.7 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Ossas
* Weather data for Ossas 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) | 30.2 | 31.2 | 30.6 | 30.1 | 30.5 | 30.0 | 29.4 | 30.0 | 29.9 | 30.2 | 29.7 | 31.9 |
| Average daytime temperature (°C) | 27.9 | 29.2 | 27.9 | 28.6 | 28.4 | 28.0 | 28.1 | 28.3 | 27.9 | 27.8 | 27.3 | 29.1 |
| Average temperature (°C) | 22.4 | 23.2 | 22.5 | 22.8 | 23.1 | 22.6 | 22.6 | 22.7 | 22.5 | 22.3 | 22.2 | 23.3 |
| Average night temperature (°C) | 19.0 | 19.5 | 19.6 | 19.4 | 19.9 | 19.7 | 19.7 | 19.6 | 19.9 | 19.7 | 19.7 | 19.9 |
| Absolute minimum temperature (°C) | 17.3 | 18.4 | 17.7 | 17.9 | 19.1 | 18.8 | 18.4 | 18.6 | 19.0 | 18.5 | 18.8 | 18.7 |
| 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 | 12.2 | 12.1 | 12.1 | 12.1 | 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) | 8.2 | 8.5 | 7.1 | 8.3 | 7.9 | 7.9 | 7.6 | 7.8 | 6.7 | 7.2 | 6.4 | 8.0 |
| Precipitation (mm) | 107 | 106 | 234 | 216 | 197 | 137 | 137 | 165 | 250 | 395 | 450 | 192 |
| Sunny days | 1 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 6 |
| Rainy days | 30 | 25 | 30 | 29 | 31 | 29 | 31 | 30 | 30 | 31 | 30 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ossas is at