Weather in Tehran
What's the weather like in Tehran?
Tehran has a wide swing between hot summers and cold winters and low overall rainfall. Average daytime highs range from 9°C (47°F) in January to 37°C (99°F) in July, with overnight lows around -1°C (30°F) and 26°C (78°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Tehran are April, and October.
Quick facts
- Country
- 🇮🇷 Iran
- Region
- Middle East
- Time zone
- Asia/Tehran
- Coordinates
- 35.689, 51.389
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 9°C / 47°F | -1°C / 30°F | 37 mm | 11 | — |
| February | 11°C / 52°F | 1°C / 33°F | 41 mm | 11 | — |
| March | 17°C / 62°F | 6°C / 42°F | 60 mm | 16 | — |
| April | 23°C / 73°F | 11°C / 51°F | 36 mm | 13 | — |
| May | 30°C / 85°F | 17°C / 62°F | 14 mm | 10 | — |
| June | 36°C / 96°F | 23°C / 73°F | 2 mm | 2 | — |
| July | 37°C / 99°F | 26°C / 78°F | 2 mm | 2 | — |
| August | 36°C / 96°F | 24°C / 75°F | 1 mm | 1 | — |
| September | 32°C / 89°F | 20°C / 68°F | 2 mm | 2 | — |
| October | 24°C / 75°F | 13°C / 56°F | 23 mm | 7 | — |
| November | 15°C / 58°F | 5°C / 42°F | 42 mm | 11 | — |
| December | 10°C / 51°F | 1°C / 34°F | 39 mm | 9 | — |
Tehran by month
Detailed weather for any specific month:
Cities with a similar climate to Tehran
Frequently asked questions
When is the best time to visit Tehran?
The most comfortable months in Tehran are usually April, September, October, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Tehran?
July is typically the hottest month in Tehran, averaging a high of 37°C (99°F).
What is the coldest month in Tehran?
January is usually the coldest, with average lows around -1°C (30°F).
Does it snow in Tehran?
Snow is rare in Tehran; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.