Average annual temperature is 10.1 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -19.3 °C
Number of sunny days: 191 days
Number of rainy days: 143 days
Number of snow days: 31 days
Look at detailed online map of Sīvān
* Weather data for Sīvān 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) | 8.8 | 12.1 | 15.6 | 20.6 | 24.5 | 29.4 | 35.6 | 33.1 | 31.1 | 20.6 | 18.0 | 13.0 |
| Average daytime temperature (°C) | 2.7 | 1.4 | 11.1 | 14.8 | 19.3 | 24.2 | 27.5 | 29.1 | 23.1 | 17.7 | 12.0 | 7.3 |
| Average temperature (°C) | -2.9 | -3.4 | 6.2 | 9.5 | 13.6 | 17.5 | 20.0 | 21.2 | 15.9 | 11.8 | 7.8 | 3.2 |
| Average night temperature (°C) | -7.5 | -8.5 | 1.7 | 4.2 | 8.0 | 11.2 | 13.2 | 14.1 | 10.2 | 6.8 | 4.2 | -0.5 |
| Absolute minimum temperature (°C) | -19.3 | -18.5 | -3.9 | -6.2 | 1.4 | 8.6 | 10.8 | 11.3 | 6.2 | 4.0 | -3.0 | -9.5 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.8 | 8.7 | 8.7 | 10.5 | 11.7 | 13.4 | 13.0 | 12.0 | 10.8 | 9.5 | 7.8 | 7.3 |
| Precipitation (mm) | 16 | 28 | 95 | 69 | 78 | 42 | 13 | 21 | 25 | 42 | 30 | 41 |
| Sunny days | 23 | 13 | 12 | 11 | 9 | 12 | 18 | 23 | 14 | 18 | 19 | 19 |
| Rainy days | 1 | 0 | 18 | 18 | 22 | 18 | 13 | 8 | 16 | 13 | 9 | 7 |
| Snow days | 7 | 15 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The best time to visit Sīvān during the most sunny months:
The largest precipitation sum in Sīvān is at