Average annual temperature is 18.5 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 312 days
Number of rainy days: 52 days
Number of snow days: 1 day
Look at detailed online map of Jolleyn
* Weather data for Jolleyn 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) | 12.6 | 17.6 | 26.9 | 34.7 | 36.7 | 41.6 | 42.4 | 40.1 | 39.3 | 31.4 | 23.9 | 17.9 |
| Average daytime temperature (°C) | 6.4 | 11.4 | 21.8 | 26.6 | 30.8 | 37.0 | 37.9 | 35.9 | 31.9 | 25.6 | 19.5 | 13.7 |
| Average temperature (°C) | 1.1 | 5.7 | 15.1 | 20.2 | 24.4 | 30.6 | 31.2 | 29.0 | 24.4 | 18.8 | 13.3 | 7.8 |
| Average night temperature (°C) | -4.1 | 0.7 | 8.8 | 12.5 | 17.2 | 23.6 | 24.3 | 21.5 | 16.9 | 11.6 | 6.6 | 1.7 |
| Absolute minimum temperature (°C) | -12.6 | -4.3 | 1.7 | 5.0 | 8.6 | 19.7 | 21.1 | 16.2 | 11.9 | 8.5 | 1.6 | -1.1 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.6 | 9.0 | 11.0 | 11.2 | 12.3 | 12.7 | 12.1 | 11.4 | 9.6 | 8.8 | 7.8 |
| Precipitation (mm) | 11 | 36 | 43 | 1 | 10 | 0 | 0 | 0 | 0 | 9 | 1 | 4 |
| Sunny days | 26 | 18 | 20 | 27 | 24 | 28 | 31 | 30 | 30 | 25 | 26 | 27 |
| Rainy days | 4 | 10 | 11 | 3 | 7 | 2 | 0 | 1 | 0 | 6 | 4 | 4 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Jolleyn during the most sunny months:
The largest precipitation sum in Jolleyn is at