Average annual temperature is 17.6 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 304 days
Number of rainy days: 56 days
Number of snow days: 5 days
Look at detailed online map of Jelvān
* Weather data for Jelvān 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) | 11.6 | 16.9 | 23.4 | 27.8 | 35.8 | 39.8 | 40.6 | 38.9 | 38.2 | 31.7 | 21.6 | 17.6 |
| Average daytime temperature (°C) | 5.9 | 11.2 | 19.4 | 24.0 | 30.3 | 36.0 | 38.5 | 35.1 | 32.7 | 26.5 | 18.2 | 13.8 |
| Average temperature (°C) | 0.6 | 4.4 | 12.4 | 17.4 | 23.2 | 29.2 | 31.7 | 28.7 | 25.8 | 19.2 | 11.3 | 6.7 |
| Average night temperature (°C) | -4.1 | -1.5 | 4.9 | 9.7 | 15.4 | 21.2 | 23.4 | 20.9 | 17.9 | 11.4 | 4.8 | 0.0 |
| Absolute minimum temperature (°C) | -10.8 | -5.1 | 1.4 | 0.9 | 8.7 | 15.8 | 21.4 | 16.1 | 12.3 | 7.7 | -0.3 | -2.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 8.5 | 9.4 | 10.7 | 11.9 | 12.7 | 12.3 | 11.9 | 10.9 | 9.7 | 9.0 | 8.5 |
| Precipitation (mm) | 39 | 45 | 15 | 2 | 3 | 1 | 0 | 0 | 0 | 9 | 14 | 9 |
| Sunny days | 19 | 16 | 23 | 26 | 26 | 28 | 31 | 31 | 30 | 24 | 22 | 28 |
| Rainy days | 7 | 12 | 8 | 4 | 5 | 2 | 0 | 0 | 0 | 7 | 8 | 3 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jelvān is at