Average annual temperature is 26.3 °C
Absolute maximum temperature: 45.3 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 316 days
Number of rainy days: 49 days
Look at detailed online map of Seysī
* Weather data for Seysī 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) | 19.4 | 28.6 | 29.8 | 35.5 | 41.9 | 44.7 | 45.3 | 42.8 | 43.1 | 39.5 | 31.4 | 25.4 |
| Average daytime temperature (°C) | 13.8 | 24.1 | 26.6 | 31.2 | 37.7 | 41.9 | 41.7 | 40.3 | 38.2 | 33.1 | 24.9 | 22.2 |
| Average temperature (°C) | 10.0 | 18.8 | 21.6 | 25.8 | 32.2 | 36.0 | 35.8 | 35.6 | 32.7 | 28.1 | 20.6 | 17.5 |
| Average night temperature (°C) | 6.5 | 12.8 | 15.8 | 19.3 | 25.1 | 29.1 | 29.0 | 30.2 | 26.5 | 22.5 | 16.1 | 12.8 |
| Absolute minimum temperature (°C) | 0.4 | 5.4 | 12.0 | 11.4 | 20.4 | 27.1 | 26.3 | 27.9 | 23.1 | 17.2 | 11.4 | 9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 9.9 | 10.2 | 11.4 | 11.7 | 11.9 | 11.9 | 12.0 | 11.5 | 10.2 | 8.9 | 9.4 |
| Precipitation (mm) | 47 | 2 | 15 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 67 | 4 |
| Sunny days | 21 | 25 | 24 | 25 | 31 | 28 | 30 | 31 | 30 | 25 | 16 | 30 |
| Rainy days | 10 | 3 | 7 | 5 | 0 | 2 | 1 | 0 | 0 | 6 | 14 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seysī is at