Average annual temperature is 14.7 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 251 days
Number of rainy days: 100 days
Number of snow days: 14 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) | 8.2 | 14.8 | 19.8 | 24.2 | 28.9 | 35.8 | 39.0 | 39.1 | 37.8 | 26.7 | 22.2 | 15.1 |
| Average daytime temperature (°C) | 5.2 | 6.7 | 15.8 | 20.2 | 24.3 | 30.7 | 34.1 | 35.1 | 28.9 | 21.9 | 16.1 | 10.1 |
| Average temperature (°C) | 0.3 | 1.1 | 9.8 | 13.7 | 17.8 | 23.8 | 27.1 | 28.5 | 22.2 | 15.6 | 10.4 | 5.1 |
| Average night temperature (°C) | -3.2 | -3.8 | 4.1 | 6.7 | 11.0 | 16.5 | 19.9 | 21.7 | 16.2 | 10.1 | 5.4 | 0.8 |
| Absolute minimum temperature (°C) | -5.8 | -9.1 | -0.5 | -1.8 | 4.2 | 12.9 | 16.4 | 18.0 | 12.0 | 6.3 | 0.2 | -4.3 |
| 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) | 8.0 | 8.5 | 8.7 | 10.6 | 11.4 | 13.4 | 13.2 | 12.0 | 11.2 | 9.6 | 8.2 | 7.4 |
| Precipitation (mm) | 6 | 13 | 68 | 41 | 48 | 11 | 1 | 3 | 6 | 19 | 11 | 26 |
| Sunny days | 25 | 16 | 13 | 12 | 11 | 22 | 30 | 29 | 25 | 24 | 24 | 20 |
| Rainy days | 1 | 4 | 18 | 18 | 20 | 8 | 1 | 2 | 5 | 7 | 6 | 10 |
| Snow days | 5 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sīvān during the most sunny months:
The largest precipitation sum in Sīvān is at