Average annual temperature is 27.0 °C
Absolute maximum temperature: 46.1 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 332 days
Number of rainy days: 33 days
Look at detailed online map of Tehrān
* Weather data for Tehrān 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) | 22.5 | 29.1 | 31.6 | 35.1 | 42.9 | 45.8 | 43.3 | 46.1 | 41.6 | 41.4 | 31.5 | 27.2 |
| Average daytime temperature (°C) | 18.1 | 24.0 | 28.0 | 32.0 | 39.1 | 41.0 | 40.5 | 41.6 | 38.4 | 34.9 | 27.0 | 24.6 |
| Average temperature (°C) | 14.0 | 18.4 | 22.4 | 26.1 | 32.7 | 34.9 | 35.0 | 35.7 | 33.0 | 29.5 | 22.3 | 19.1 |
| Average night temperature (°C) | 9.2 | 12.6 | 16.2 | 20.1 | 25.9 | 28.8 | 30.2 | 30.5 | 27.7 | 23.5 | 16.7 | 12.3 |
| Absolute minimum temperature (°C) | 6.1 | 9.7 | 12.3 | 15.1 | 21.0 | 26.5 | 28.0 | 27.4 | 24.8 | 18.5 | 13.4 | 9.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.6 | 9.6 | 10.6 | 11.0 | 11.8 | 12.2 | 11.5 | 11.2 | 11.0 | 10.1 | 9.2 | 9.4 |
| Precipitation (mm) | 55 | 1 | 4 | 1 | 0 | 0 | 5 | 0 | 0 | 2 | 22 | 0 |
| Sunny days | 23 | 24 | 27 | 25 | 30 | 30 | 29 | 30 | 30 | 29 | 24 | 31 |
| Rainy days | 8 | 4 | 4 | 5 | 1 | 0 | 2 | 1 | 0 | 2 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tehrān is at