Monthly climate guide
Tehran weather in August
August in Tehran is typically very hot, with average daytime highs around 37°C (98°F) and night-time lows near 23°C (73°F). The month usually brings about 12 mm of rain (very dry) and is mostly sunny. Daytime highs are 2°C cooler than July and 4°C warmer than September.
What stands out in August
- Tehran is usually about 11°C warmer than Karaj, 40 km away, in August.
- Afternoons and nights feel like different seasons, roughly 14°C apart.
- It's one of the drier months, with about 62% less rain than Tehran's average.
- August is Tehran's second warmest month.
Avg high
37°C
98°F
Avg low
23°C
73°F
Rainfall
12 mm
very dry
Humidity
24%
relative
Sky
25%
cloud · mostly sunny
Tehran weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 10°C / 49°F | -1°C / 31°F | 36 mm | 58% | 51% |
| February | 12°C / 53°F | 0°C / 32°F | 43 mm | 57% | 52% |
| March | 17°C / 62°F | 4°C / 40°F | 43 mm | 53% | 58% |
| April | 22°C / 72°F | 9°C / 49°F | 36 mm | 50% | 58% |
| May | 29°C / 85°F | 15°C / 59°F | 15 mm | 40% | 48% |
| June | 36°C / 96°F | 21°C / 69°F | 6 mm | 26% | 31% |
| July | 38°C / 101°F | 24°C / 74°F | 11 mm | 23% | 35% |
| August | 37°C / 98°F | 23°C / 73°F | 12 mm | 24% | 25% |
| September | 32°C / 90°F | 19°C / 66°F | 21 mm | 29% | 24% |
| October | 24°C / 75°F | 12°C / 54°F | 54 mm | 45% | 37% |
| November | 15°C / 59°F | 5°C / 40°F | 60 mm | 58% | 55% |
| December | 11°C / 51°F | 1°C / 33°F | 38 mm | 60% | 49% |
What to pack for August
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is August a good time to visit Tehran?
Compare the months in the chart above to find your ideal window.
Best time to visit Tehran →Other Iran cities in August
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Tehran weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/iran/tehran/august
<a href="https://weathercompare.eu/weather/iran/tehran/august">Tehran weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/iran/tehran" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Tehran weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/iran/tehran/august">Tehran weather in August</a> – WeatherCompare</p>
Tehran in August: quick answers
Is August a good time to visit Tehran?
It can be, if you like heat: August highs in Tehran are around 37°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Tehran in August?
Average highs are about 37°C (98°F) and average lows about 23°C (73°F), based on 10 years of daily data.
Does it rain a lot in Tehran in August?
Tehran typically gets around 12 mm of rain in August — very dry.
Figures are long-term averages for the area around Tehran (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.