Average annual temperature is 20.5 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: 10.8 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Kirwa
* Weather data for Kirwa Rwanda is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.7 | 28.8 | 29.3 | 27.1 | 27.5 | 28.1 | 29.9 | 30.6 | 29.4 | 29.5 | 28.3 | 28.3 |
| Average daytime temperature (°C) | 26.0 | 26.9 | 25.6 | 25.4 | 25.7 | 26.6 | 27.7 | 28.7 | 27.4 | 27.6 | 25.5 | 26.3 |
| Average temperature (°C) | 19.5 | 19.9 | 19.7 | 19.7 | 20.6 | 21.1 | 21.2 | 22.4 | 20.7 | 20.8 | 20.0 | 20.3 |
| Average night temperature (°C) | 13.3 | 13.7 | 15.2 | 15.6 | 16.2 | 15.7 | 15.4 | 16.1 | 15.6 | 14.9 | 15.5 | 15.2 |
| Absolute minimum temperature (°C) | 11.1 | 10.8 | 11.5 | 14.2 | 14.2 | 13.1 | 13.5 | 14.0 | 14.1 | 13.1 | 13.5 | 12.3 |
| 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 | 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 | 12.1 | 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) | 10.7 | 10.4 | 9.2 | 9.4 | 10.5 | 10.1 | 10.3 | 10.2 | 10.3 | 10.6 | 9.7 | 10.5 |
| Precipitation (mm) | 32 | 47 | 184 | 178 | 87 | 13 | 0 | 6 | 132 | 68 | 172 | 158 |
| Sunny days | 9 | 11 | 2 | 0 | 2 | 9 | 31 | 25 | 4 | 5 | 0 | 1 |
| Rainy days | 22 | 17 | 29 | 30 | 29 | 21 | 0 | 6 | 26 | 26 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kirwa is at