Average annual temperature is 23.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Idouma
* Weather data for Idouma 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) | 30.5 | 33.1 | 31.7 | 31.5 | 31.3 | 29.6 | 28.7 | 31.0 | 30.3 | 31.4 | 30.9 | 31.7 |
| Average daytime temperature (°C) | 28.6 | 29.6 | 29.4 | 29.5 | 29.5 | 27.3 | 26.6 | 26.8 | 27.7 | 28.9 | 28.6 | 28.4 |
| Average temperature (°C) | 23.0 | 23.9 | 24.0 | 24.0 | 24.3 | 23.1 | 22.3 | 22.6 | 23.4 | 23.8 | 23.6 | 23.7 |
| Average night temperature (°C) | 20.3 | 21.0 | 21.2 | 21.3 | 21.8 | 20.5 | 19.2 | 19.3 | 20.8 | 21.7 | 21.4 | 21.5 |
| Absolute minimum temperature (°C) | 19.2 | 19.7 | 20.2 | 20.5 | 21.0 | 18.5 | 17.9 | 17.5 | 19.3 | 20.8 | 20.4 | 20.5 |
| 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) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 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) | 6.6 | 7.3 | 7.2 | 6.7 | 7.1 | 6.6 | 5.4 | 4.7 | 5.0 | 5.6 | 5.9 | 5.7 |
| Precipitation (mm) | 495 | 228 | 304 | 401 | 307 | 42 | 22 | 17 | 104 | 395 | 526 | 467 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 28 | 28 | 26 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idouma is at