What August feels like in Tehran
August is late summer in Tehran. The heat peaks hard in the afternoon, when being outside for long is draining. Evenings bring a clear drop in temperature, and nights stay warm. The heat is dry rather than muggy, so drink more than you think you need.
Rain in Tehran in August
Rain is rare in August — most weeks pass without a wet day.
Daylight and sunshine in August
Mid-month, Tehran gets 13 h 33 min of daylight, from sunrise near 5:23 am to sunset near 6:56 pm. Compared with mid-July, the day has lost 49 min. Measured sunshine covers about 94% of the daylight — skies are mostly clear.
How August compares to the rest of the year
Ranked by average high, August comes out as the 2nd warmest month in Tehran. Against July, the average high is 1.5°C (2.7°F) lower, with 2 mm more rain. The cooling trend carries on into September. September averages a high of 31.1°C (88°F).
Who August suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Hiking: less ideal — too hot for long hikes.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Tehran in August
Sun Protection
Protect yourself from strong sun: hat, SPF and plenty of water.
Quick questions
How warm is Tehran in August?
Afternoons average 35.5°C (95.9°F) and nights about 23.9°C (75°F) — very hot by most people's standards. It is the 2nd warmest month of the year.
Does it rain a lot in Tehran in August?
Almost never — August is essentially rainless, with no rainy days in a typical year.
What should I wear in Tehran in August?
Pack sun protection. There is little need to change for the evening.
Is August or September better for visiting Tehran?
September scores better on our climate ranking (#2 of 12 vs #7), rated Great against Good. September is cooler and has more rainy days.