Average annual temperature is 7.2 °C
Absolute maximum temperature: 29.8 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 216 days
Number of rainy days: 130 days
Number of snow days: 19 days
Look at detailed online map of Sān Sū
* Weather data for Sān Sū Iran is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 4.2 | 9.1 | 16.6 | 20.1 | 24.9 | 27.7 | 29.8 | 27.2 | 26.4 | 21.3 | 15.5 | 11.2 |
| Average daytime temperature (°C) | -1.8 | 0.6 | 9.1 | 13.4 | 16.9 | 19.0 | 19.5 | 21.9 | 17.3 | 14.8 | 10.7 | 6.2 |
| Average temperature (°C) | -5.4 | -3.7 | 4.4 | 8.1 | 11.2 | 13.5 | 14.8 | 15.9 | 11.8 | 9.4 | 5.1 | 0.7 |
| Average night temperature (°C) | -8.6 | -8.3 | -0.7 | 3.0 | 5.7 | 8.2 | 10.7 | 10.8 | 7.6 | 4.0 | 0.6 | -4.0 |
| Absolute minimum temperature (°C) | -13.7 | -17.5 | -5.2 | -5.9 | -3.6 | 4.7 | 8.1 | 8.2 | 2.1 | 0.4 | -6.1 | -8.5 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 8.1 | 8.0 | 10.6 | 10.6 | 11.0 | 9.1 | 10.8 | 8.6 | 8.7 | 8.0 | 7.4 |
| Precipitation (mm) | 45 | 45 | 217 | 54 | 65 | 48 | 1 | 4 | 10 | 48 | 80 | 26 |
| Sunny days | 17 | 15 | 14 | 12 | 10 | 20 | 25 | 22 | 21 | 16 | 21 | 23 |
| Rainy days | 4 | 4 | 17 | 18 | 21 | 10 | 6 | 9 | 9 | 15 | 9 | 8 |
| Snow days | 10 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sān Sū is at