Average annual temperature is 24.2 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Assan
* Weather data for Assan 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) | 32.2 | 34.0 | 33.3 | 32.7 | 32.7 | 31.6 | 30.7 | 31.5 | 31.5 | 31.5 | 32.7 | 33.8 |
| Average daytime temperature (°C) | 29.6 | 30.8 | 29.2 | 30.2 | 30.4 | 29.5 | 29.1 | 29.5 | 29.5 | 29.1 | 29.4 | 30.7 |
| Average temperature (°C) | 23.9 | 24.7 | 24.0 | 24.4 | 24.7 | 24.1 | 24.1 | 24.2 | 24.2 | 23.9 | 23.7 | 24.9 |
| Average night temperature (°C) | 20.7 | 21.2 | 21.0 | 21.1 | 21.7 | 20.9 | 20.7 | 20.7 | 21.2 | 21.2 | 21.1 | 21.6 |
| Absolute minimum temperature (°C) | 18.7 | 19.8 | 19.5 | 20.0 | 20.6 | 18.5 | 19.8 | 19.3 | 20.2 | 20.1 | 20.3 | 20.1 |
| 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 | 12.1 | 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) | 7.2 | 7.9 | 6.3 | 7.5 | 7.8 | 6.9 | 6.7 | 7.3 | 6.6 | 6.4 | 6.5 | 7.7 |
| Precipitation (mm) | 182 | 99 | 261 | 240 | 254 | 126 | 78 | 110 | 187 | 348 | 525 | 200 |
| Sunny days | 1 | 3 | 1 | 2 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 2 |
| Rainy days | 30 | 25 | 30 | 28 | 31 | 29 | 30 | 27 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Assan is at