Average annual temperature is 24.0 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of Idumbu
* Weather data for Idumbu Democratic 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) | 31.1 | 32.1 | 33.5 | 31.9 | 32.2 | 33.2 | 36.5 | 35.7 | 34.0 | 34.5 | 32.6 | 30.8 |
| Average daytime temperature (°C) | 28.5 | 29.6 | 28.5 | 28.5 | 30.2 | 31.2 | 33.3 | 33.7 | 30.5 | 31.5 | 28.7 | 28.3 |
| Average temperature (°C) | 22.7 | 23.5 | 23.0 | 23.3 | 24.3 | 24.5 | 25.5 | 26.1 | 24.1 | 24.7 | 23.3 | 23.2 |
| Average night temperature (°C) | 19.2 | 19.8 | 19.6 | 20.0 | 20.5 | 20.0 | 19.2 | 20.6 | 20.2 | 20.4 | 20.1 | 20.2 |
| Absolute minimum temperature (°C) | 18.4 | 18.7 | 18.2 | 18.4 | 18.7 | 19.0 | 17.2 | 18.8 | 18.8 | 18.9 | 19.5 | 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 | 11.0 | 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 | 11.9 | 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) | 8.5 | 8.5 | 7.7 | 8.1 | 9.5 | 9.6 | 10.5 | 9.9 | 8.0 | 9.1 | 7.8 | 7.2 |
| Precipitation (mm) | 184 | 115 | 229 | 197 | 87 | 21 | 2 | 23 | 137 | 123 | 245 | 225 |
| Sunny days | 1 | 4 | 1 | 0 | 3 | 9 | 24 | 13 | 4 | 4 | 1 | 1 |
| Rainy days | 30 | 24 | 30 | 30 | 28 | 21 | 7 | 18 | 26 | 27 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idumbu is at