Average annual temperature is 22.9 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Isombo
* Weather data for Isombo Republic of the Congo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.7 | 32.9 | 31.3 | 31.0 | 30.9 | 29.2 | 31.0 | 30.5 | 30.1 | 31.6 | 31.3 | 32.5 |
| Average daytime temperature (°C) | 28.0 | 29.2 | 28.8 | 28.9 | 28.9 | 26.8 | 26.6 | 26.7 | 27.8 | 29.0 | 28.6 | 28.1 |
| Average temperature (°C) | 22.4 | 23.4 | 23.2 | 23.4 | 23.6 | 22.3 | 21.7 | 22.1 | 22.8 | 23.3 | 23.0 | 23.2 |
| Average night temperature (°C) | 19.5 | 20.1 | 20.3 | 20.6 | 21.0 | 19.5 | 18.1 | 18.5 | 19.8 | 20.8 | 20.5 | 20.6 |
| Absolute minimum temperature (°C) | 18.5 | 17.4 | 18.2 | 19.8 | 19.9 | 17.5 | 16.6 | 17.0 | 17.7 | 20.2 | 19.6 | 19.5 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 6.9 | 7.1 | 7.7 | 7.5 | 6.5 | 5.8 | 6.0 | 5.3 | 5.2 | 5.6 | 6.1 | 6.1 |
| Precipitation (mm) | 445 | 310 | 357 | 296 | 259 | 48 | 12 | 11 | 107 | 418 | 408 | 491 |
| Sunny days | 0 | 1 | 0 | 0 | 0 | 6 | 14 | 9 | 3 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 31 | 24 | 17 | 22 | 27 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isombo is at