Average annual temperature is 7.8 °C
Absolute maximum temperature: 24.6 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 93 days
Number of rainy days: 232 days
Number of snow days: 40 days
Look at detailed online map of Sāy Dīm
* Weather data for Sāy Dīm 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) | 5.3 | 6.7 | 12.6 | 16.3 | 22.1 | 21.8 | 24.6 | 23.4 | 22.6 | 19.1 | 15.2 | 13.5 |
| Average daytime temperature (°C) | -2.4 | -0.7 | 7.3 | 10.8 | 14.3 | 17.2 | 19.1 | 19.6 | 15.5 | 13.0 | 10.6 | 6.6 |
| Average temperature (°C) | -5.3 | -4.4 | 3.6 | 7.2 | 10.7 | 14.8 | 17.0 | 17.3 | 13.6 | 10.0 | 6.3 | 2.5 |
| Average night temperature (°C) | -8.7 | -8.2 | -0.3 | 2.8 | 6.0 | 11.3 | 14.2 | 14.2 | 11.3 | 6.8 | 2.3 | -2.0 |
| Absolute minimum temperature (°C) | -12.2 | -12.4 | -5.2 | -7.6 | -4.3 | 7.5 | 11.4 | 10.3 | 7.0 | 4.4 | -7.4 | -9.1 |
| 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 | 10.9 | 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 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 8.5 | 8.5 | 10.8 | 11.3 | 11.4 | 10.8 | 10.9 | 9.6 | 8.9 | 8.4 | 7.5 |
| Precipitation (mm) | 47 | 50 | 104 | 119 | 252 | 142 | 60 | 188 | 122 | 229 | 161 | 61 |
| Sunny days | 18 | 15 | 6 | 5 | 1 | 1 | 5 | 4 | 2 | 5 | 13 | 18 |
| Rainy days | 0 | 1 | 20 | 21 | 30 | 29 | 26 | 27 | 28 | 26 | 15 | 9 |
| Snow days | 13 | 12 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Sāy Dīm is at