Average annual temperature is 17.7 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 228 days
Number of rainy days: 137 days
Look at detailed online map of Sīrjārūn
* Weather data for Sīrjārūn 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) | 16.6 | 19.0 | 31.3 | 29.4 | 32.9 | 31.1 | 33.4 | 33.7 | 31.9 | 28.6 | 25.4 | 23.1 |
| Average daytime temperature (°C) | 11.2 | 13.1 | 18.6 | 21.3 | 24.3 | 28.1 | 29.7 | 31.2 | 27.2 | 23.5 | 21.9 | 16.6 |
| Average temperature (°C) | 5.6 | 7.6 | 13.3 | 16.3 | 20.1 | 24.4 | 26.4 | 27.5 | 23.5 | 19.1 | 16.4 | 11.1 |
| Average night temperature (°C) | 0.9 | 3.0 | 8.7 | 11.2 | 15.9 | 20.3 | 22.8 | 23.3 | 19.7 | 15.0 | 11.7 | 6.3 |
| Absolute minimum temperature (°C) | -3.5 | -1.5 | 4.9 | 3.8 | 9.0 | 17.7 | 20.5 | 20.0 | 16.5 | 12.0 | 6.7 | 1.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 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 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.2 | 6.5 | 9.8 | 9.3 | 10.6 | 10.3 | 9.9 | 9.5 | 8.0 | 7.7 | 6.8 |
| Precipitation (mm) | 26 | 89 | 58 | 32 | 91 | 33 | 25 | 18 | 72 | 180 | 122 | 86 |
| Sunny days | 21 | 16 | 14 | 24 | 18 | 19 | 21 | 21 | 19 | 16 | 18 | 21 |
| Rainy days | 10 | 12 | 17 | 6 | 13 | 11 | 10 | 10 | 11 | 15 | 12 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sīrjārūn is at