Average annual temperature is 8.4 °C
Absolute maximum temperature: 29.6 °C
Absolute minimum temperature: -23.7 °C
Number of sunny days: 234 days
Number of rainy days: 104 days
Number of snow days: 27 days
Look at detailed online map of Siwak
* Weather data for Siwak Afghanistan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.0 | 4.9 | 11.0 | 16.5 | 19.7 | 29.6 | 28.5 | 28.6 | 28.1 | 21.2 | 13.7 | 9.9 |
| Average daytime temperature (°C) | -5.4 | -1.1 | 5.8 | 11.6 | 15.9 | 24.0 | 25.2 | 26.3 | 22.8 | 15.1 | 9.2 | 5.4 |
| Average temperature (°C) | -7.5 | -3.0 | 2.6 | 6.9 | 10.7 | 18.2 | 19.0 | 19.3 | 16.4 | 10.1 | 5.5 | 1.8 |
| Average night temperature (°C) | -9.7 | -5.4 | -0.8 | 1.9 | 5.5 | 12.3 | 12.7 | 12.2 | 10.5 | 5.7 | 2.5 | -1.6 |
| Absolute minimum temperature (°C) | -23.7 | -16.1 | -8.2 | -7.7 | -1.4 | 6.8 | 9.5 | 8.0 | 3.7 | -0.6 | -3.3 | -7.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 8.6 | 8.9 | 11.4 | 11.9 | 12.6 | 12.8 | 12.5 | 11.3 | 10.1 | 8.8 | 8.2 |
| Precipitation (mm) | 47 | 17 | 81 | 77 | 100 | 25 | 56 | 1 | 6 | 20 | 14 | 7 |
| Sunny days | 21 | 17 | 14 | 10 | 10 | 19 | 19 | 29 | 26 | 17 | 24 | 28 |
| Rainy days | 2 | 2 | 12 | 19 | 21 | 11 | 12 | 2 | 4 | 14 | 4 | 1 |
| Snow days | 8 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Siwak is at