Average annual temperature is 15.8 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 283 days
Number of rainy days: 77 days
Number of snow days: 5 days
Look at detailed online map of Seydān
* Weather data for Seydān 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) | 9.5 | 13.4 | 20.9 | 23.9 | 31.6 | 38.1 | 38.1 | 35.6 | 34.3 | 29.0 | 20.7 | 18.6 |
| Average daytime temperature (°C) | 3.7 | 9.5 | 16.2 | 20.6 | 26.8 | 33.5 | 35.5 | 31.7 | 30.1 | 24.5 | 16.9 | 14.3 |
| Average temperature (°C) | -1.0 | 4.6 | 9.9 | 14.5 | 20.3 | 26.3 | 28.9 | 25.6 | 23.7 | 17.9 | 10.7 | 7.7 |
| Average night temperature (°C) | -6.0 | -0.3 | 3.2 | 7.1 | 12.2 | 17.6 | 20.7 | 18.0 | 16.2 | 10.8 | 4.9 | 2.2 |
| Absolute minimum temperature (°C) | -13.3 | -8.6 | -1.5 | 0.1 | 5.7 | 12.8 | 17.4 | 11.9 | 9.8 | 6.0 | -0.4 | -3.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 8.2 | 8.7 | 9.8 | 11.0 | 11.7 | 12.8 | 12.1 | 12.0 | 10.8 | 9.6 | 9.3 | 8.7 |
| Precipitation (mm) | 73 | 84 | 18 | 11 | 7 | 4 | 0 | 0 | 0 | 4 | 19 | 5 |
| Sunny days | 19 | 16 | 16 | 18 | 23 | 27 | 31 | 31 | 30 | 27 | 21 | 24 |
| Rainy days | 7 | 12 | 15 | 12 | 8 | 3 | 0 | 0 | 0 | 4 | 9 | 7 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seydān is at