Average annual temperature is 23.8 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 254 days
Number of rainy days: 111 days
Look at detailed online map of Siamwanja
* Weather data for Siamwanja Zambia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 32.2 | 32.9 | 32.7 | 31.8 | 31.2 | 30.0 | 36.3 | 37.1 | 39.8 | 39.1 | 36.0 |
| Average daytime temperature (°C) | 26.0 | 29.2 | 29.4 | 30.2 | 30.1 | 28.3 | 25.6 | 29.5 | 34.4 | 36.6 | 35.6 | 31.4 |
| Average temperature (°C) | 21.5 | 23.4 | 23.7 | 23.6 | 22.6 | 20.6 | 18.3 | 21.6 | 26.6 | 29.4 | 28.8 | 25.5 |
| Average night temperature (°C) | 18.6 | 19.1 | 18.6 | 17.1 | 15.4 | 13.3 | 11.1 | 13.8 | 18.6 | 22.4 | 22.5 | 20.9 |
| Absolute minimum temperature (°C) | 17.6 | 17.7 | 17.2 | 14.9 | 14.0 | 9.9 | 6.1 | 9.3 | 12.7 | 18.1 | 19.9 | 18.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.6 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 6.8 | 9.5 | 11.1 | 10.8 | 10.5 | 10.3 | 10.3 | 10.7 | 11.0 | 11.3 | 11.5 | 10.3 |
| Precipitation (mm) | 398 | 164 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 27 | 149 |
| Sunny days | 0 | 5 | 9 | 29 | 31 | 30 | 31 | 31 | 30 | 25 | 24 | 9 |
| Rainy days | 31 | 23 | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siamwanja is at