Click on a day for an hourly weather forecast
The weather in Tehran in August is very hot. The average temperatures are between 26°C and 37°C, drinking water regularly is advisable.
There shouldn't be any rainy days in in Tehran during August. Having said that, the days are very hot in August so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Tehran in August 2025.
If you’re planning to visit Tehran in the near future, we highly recommend that you review the 14 day weather forecast for Tehran before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 1° | 3 | 26 | 2 | 36 mm | Bad | Tehran in January |
| February | 10° / 3° | 3 | 24 | 2 | 42 mm | Bad | Tehran in February |
| March | 16° / 7° | 3 | 27 | 0 | 48 mm | Good | Tehran in March |
| April | 22° / 13° | 3 | 27 | 0 | 43 mm | Good | Tehran in April |
| May | 28° / 20° | 1 | 30 | 0 | 39 mm | Perfect | Tehran in May |
| June | 35° / 25° | 0 | 30 | 0 | 12 mm | Ok | Tehran in June |
| July | 38° / 28° | 0 | 31 | 0 | 5 mm | Bad | Tehran in July |
| August | 37° / 26° | 0 | 31 | 0 | 4 mm | Ok | Tehran in August |
| September | 32° / 22° | 0 | 30 | 0 | 3 mm | Good | Tehran in September |
| October | 24° / 15° | 1 | 30 | 0 | 25 mm | Perfect | Tehran in October |
| November | 14° / 7° | 3 | 27 | 0 | 51 mm | Good | Tehran in November |
| December | 10° / 3° | 1 | 29 | 0 | 31 mm | Ok | Tehran in December |