Average annual temperature is 22.5 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Iouatchi
* Weather data for Iouatchi 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) | 31.2 | 31.3 | 30.9 | 30.6 | 30.0 | 28.3 | 28.9 | 29.0 | 30.2 | 29.6 | 29.3 | 29.9 |
| Average daytime temperature (°C) | 28.1 | 28.9 | 27.8 | 27.8 | 28.2 | 27.2 | 27.3 | 27.6 | 28.1 | 27.3 | 27.1 | 27.6 |
| Average temperature (°C) | 22.2 | 22.9 | 22.5 | 22.6 | 23.0 | 22.4 | 22.3 | 22.5 | 22.6 | 22.5 | 22.3 | 22.7 |
| Average night temperature (°C) | 19.1 | 19.6 | 19.4 | 19.5 | 20.2 | 19.4 | 19.0 | 19.2 | 19.7 | 19.9 | 19.5 | 20.0 |
| Absolute minimum temperature (°C) | 17.4 | 18.3 | 17.9 | 18.1 | 19.2 | 17.3 | 16.8 | 17.1 | 18.7 | 19.2 | 18.7 | 18.8 |
| 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) | 8.9 | 8.6 | 7.9 | 8.1 | 8.6 | 9.3 | 9.7 | 9.6 | 8.1 | 7.3 | 7.7 | 7.7 |
| Precipitation (mm) | 277 | 231 | 265 | 280 | 187 | 99 | 60 | 92 | 214 | 417 | 428 | 246 |
| Sunny days | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 31 | 27 | 28 | 30 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iouatchi is at