Average annual temperature is 24.7 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 42 days
Number of rainy days: 323 days
Look at detailed online map of Isiolo
* Weather data for Isiolo 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) | 31.8 | 34.6 | 33.8 | 32.0 | 32.3 | 31.5 | 32.7 | 32.6 | 32.3 | 32.4 | 31.8 | 32.7 |
| Average daytime temperature (°C) | 29.7 | 31.9 | 30.6 | 30.0 | 30.7 | 29.8 | 31.5 | 30.8 | 30.0 | 29.6 | 29.1 | 30.0 |
| Average temperature (°C) | 24.1 | 25.4 | 24.5 | 24.6 | 24.9 | 24.4 | 25.4 | 25.1 | 24.7 | 24.6 | 24.1 | 24.7 |
| Average night temperature (°C) | 20.3 | 20.8 | 20.8 | 21.1 | 21.3 | 20.6 | 20.4 | 20.9 | 21.1 | 21.5 | 21.1 | 21.4 |
| Absolute minimum temperature (°C) | 18.7 | 18.1 | 18.5 | 19.9 | 20.1 | 18.8 | 18.8 | 19.6 | 20.1 | 20.7 | 19.8 | 20.2 |
| 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) | 8.9 | 9.6 | 8.7 | 8.6 | 9.3 | 9.6 | 10.5 | 9.5 | 9.3 | 7.8 | 8.2 | 8.1 |
| Precipitation (mm) | 115 | 43 | 279 | 173 | 152 | 96 | 35 | 111 | 85 | 260 | 284 | 242 |
| Sunny days | 2 | 9 | 3 | 1 | 4 | 6 | 8 | 6 | 1 | 0 | 0 | 2 |
| Rainy days | 29 | 19 | 28 | 29 | 27 | 24 | 23 | 25 | 29 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isiolo is at