The maximum temperature in Tehran is on average 23°C over the year, with values generally ranging between 9°C in January and 37°C in July. About 551 mm of precipitation falls per year, with a minimum of 15 mm in September and a maximum of 74 mm in May.
The weather is pleasant to stay to Tehran in: April, May, June, July, August, September and October. However, the period when the weather is truly ideal is June, August and September.
For winter sports and snow, the best months are January, February and December.
For hiking and trekking, the best months are April, May and October.
In terms of crowd levels, the quietest periods are in February, while crowding is high in April, May, June, July, December and August. For the budget, the months when prices are relatively low are September, October and November and the highest are July and August.



