Average annual temperature is 14.4 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 269 days
Number of rainy days: 85 days
Number of snow days: 11 days
Look at detailed online map of Sum
* Weather data for Sum 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) | 8.6 | 16.6 | 20.5 | 25.1 | 30.3 | 37.8 | 36.7 | 35.7 | 33.8 | 27.9 | 19.1 | 14.4 |
| Average daytime temperature (°C) | 1.5 | 10.4 | 15.1 | 20.5 | 26.2 | 33.2 | 33.3 | 31.9 | 28.4 | 21.9 | 14.5 | 10.9 |
| Average temperature (°C) | -3.9 | 5.3 | 9.6 | 14.0 | 19.3 | 26.4 | 26.5 | 24.5 | 21.2 | 15.1 | 9.3 | 4.9 |
| Average night temperature (°C) | -9.0 | -0.4 | 3.9 | 7.2 | 11.5 | 18.8 | 19.0 | 16.9 | 14.1 | 8.6 | 4.3 | 0.0 |
| Absolute minimum temperature (°C) | -16.8 | -9.4 | -1.0 | 1.1 | 4.6 | 13.4 | 15.0 | 14.2 | 7.7 | 5.8 | 1.3 | -4.8 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 7.1 | 8.4 | 8.9 | 11.3 | 12.2 | 12.3 | 12.5 | 12.2 | 11.3 | 10.3 | 8.1 | 8.6 |
| Precipitation (mm) | 32 | 29 | 77 | 40 | 12 | 0 | 0 | 0 | 0 | 3 | 38 | 24 |
| Sunny days | 19 | 13 | 10 | 14 | 20 | 30 | 30 | 31 | 30 | 25 | 22 | 25 |
| Rainy days | 4 | 13 | 21 | 16 | 11 | 0 | 1 | 0 | 0 | 6 | 8 | 5 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sum is at