Average annual temperature is 23.8 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Boumi
* Weather data for Boumi 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) | 32.8 | 35.6 | 32.3 | 33.3 | 32.9 | 30.8 | 32.2 | 31.5 | 31.9 | 32.4 | 32.9 | 33.9 |
| Average daytime temperature (°C) | 29.6 | 30.7 | 30.0 | 29.8 | 30.6 | 28.6 | 28.0 | 28.1 | 29.1 | 29.6 | 29.4 | 29.1 |
| Average temperature (°C) | 23.2 | 24.1 | 24.0 | 24.1 | 24.5 | 23.5 | 23.1 | 23.3 | 23.8 | 23.8 | 23.8 | 23.9 |
| Average night temperature (°C) | 20.3 | 21.0 | 21.0 | 21.1 | 21.7 | 20.8 | 19.9 | 20.2 | 21.2 | 21.5 | 21.2 | 21.4 |
| Absolute minimum temperature (°C) | 19.6 | 18.7 | 19.4 | 19.6 | 19.7 | 17.2 | 17.9 | 17.3 | 20.5 | 20.4 | 20.2 | 20.3 |
| 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 | 11.0 | 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 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 6.5 | 6.9 | 7.4 | 6.9 | 6.5 | 6.6 | 6.1 | 5.5 | 5.2 | 5.1 | 5.9 | 6.1 |
| Precipitation (mm) | 407 | 278 | 321 | 332 | 262 | 94 | 30 | 53 | 175 | 514 | 492 | 562 |
| Sunny days | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 4 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 31 | 27 | 29 | 27 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boumi is at