What July feels like in Tehran
July is the height of summer in Tehran — the warmest month of the year. Midday heat is intense, and most people keep to shade or air-conditioning in the afternoon. Nights bring little relief: even the coolest hour of the night stays very warm. The heat is dry rather than muggy, so drink more than you think you need.
Rain in Tehran in July
Rain is rare in July — most weeks pass without a wet day. When it rains, it is usually light: about 1.7 mm (0.1 in) per rainy day, more drizzle than downpour. That is lighter than the city's yearly norm of about 5.4 mm per rainy day. July is Tehran's driest month of the year.
Daylight and sunshine in July
On 15 July the sun rises at about 4:59 am and sets around 7:21 pm local time, giving 14 h 22 min of daylight. Evenings are drawing in — 12 min less daylight than mid-June. About 90% of daylight hours are sunny; in short, skies are mostly clear.
How July compares to the rest of the year
July is the warmest month of the year in Tehran. Afternoons run 2.4°C (4.3°F) warmer than in June, with 1 mm less rain. After this the year turns: August is already cooler. The next month's average high: 35.5°C (95.9°F).
Who July 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 July
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Tehran in July?
Expect around 37°C (98.6°F) in the afternoon and 25.5°C (77.9°F) at night, which most visitors would call very hot.
Does it rain a lot in Tehran in July?
No — July is one of the drier times, with about 1 rainy days and 2 mm in total.
What should I wear in Tehran in July?
The numbers point to sun protection. There is little need to change for the evening.
Is July or August better for visiting Tehran?
August scores better on our climate ranking (#7 of 12 vs #9), rated Good against Fair. August is cooler and has fewer rainy days.