Average annual temperature is 18.5 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 291 days
Number of rainy days: 68 days
Number of snow days: 6 days
Look at detailed online map of Tehran Province
* Weather data for Tehran Province 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) | 10.9 | 17.7 | 23.3 | 30.2 | 36.8 | 39.2 | 40.6 | 39.7 | 38.1 | 29.1 | 23.2 | 18.5 |
| Average daytime temperature (°C) | 6.5 | 10.3 | 18.4 | 24.2 | 29.6 | 35.1 | 37.9 | 36.1 | 32.1 | 25.1 | 18.3 | 13.5 |
| Average temperature (°C) | 2.0 | 4.4 | 12.7 | 18.2 | 23.8 | 29.3 | 32.4 | 30.8 | 26.6 | 19.5 | 12.9 | 8.5 |
| Average night temperature (°C) | -1.8 | -0.6 | 7.1 | 11.3 | 16.5 | 22.0 | 25.5 | 24.0 | 20.3 | 13.6 | 7.7 | 3.8 |
| Absolute minimum temperature (°C) | -5.2 | -5.5 | 3.6 | 2.1 | 8.7 | 16.0 | 21.3 | 20.8 | 15.2 | 10.7 | 0.7 | 1.6 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 8.7 | 8.5 | 10.8 | 12.0 | 12.7 | 12.8 | 12.1 | 11.1 | 9.7 | 8.7 | 8.1 |
| Precipitation (mm) | 33 | 29 | 72 | 18 | 6 | 3 | 0 | 0 | 0 | 29 | 35 | 5 |
| Sunny days | 21 | 16 | 16 | 25 | 24 | 27 | 31 | 31 | 28 | 24 | 24 | 24 |
| Rainy days | 7 | 9 | 15 | 5 | 7 | 3 | 0 | 0 | 2 | 7 | 6 | 7 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Tehran Province during the most sunny months:
The largest precipitation sum in Tehran Province is at