Weather in Tehran in August 2025
Average weather
Average temperature in Tehran in August
The temperature in August is +35°C on average, with a range between a maximum of +39°C during the day and a minimum of +20°C at night.
The average maximum temperature goes down 26% by the end of the month, compared with the beginning of the month, from +37°C to +32°C.
Is Tehran warm or cold in August?
Tehran is typically hot in August.
Maximum temperatures go down compared to the previous month from +35°C to +34°C. The minimum temperature also goes down from +24°C to +23°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is one of the warmest months in Tehran, here is the comparison with other months:
Climate in Tehran in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +35°C | +34°C | +30°C | ||||
| Min. temperature | ||||||
| +13°C | +13°C | +7°C | ||||
| Max. temperature | ||||||
| +42°C | +41°C | +37°C | ||||
| Rainfall | ||||||
| 1 mm | 1 mm | 1 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 24% | 25% | 27% | ||||
| Air pressure | ||||||
| 1006 HPa | 1008 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 24 | 27 | 27 | ||||
| Cloudy days | ||||||
| 5 | 3 | 2 | ||||
| Rainy days | ||||||
| 1 | 1 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting colder in August. From +35°C in the day, the average maximum temperature lowers to +34°C. The rainfall amount in August stays the same as in the previous month with a 1 mm of total precipitation. Humidity rises from 24% to 25%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 24 to 27.
September brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Tehran is gradually increasing during August, going from 2 m/s to 2 m/s over the course of the month.
How was the weather last August in Tehran?
Climate Change over Years
The climate in Tehran in August has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+18°C) and the highest in 2021 (+24°C). The driest year was 2008 with only 117 mm of rainfall, and the wettest year was 2020 with 366 mm.
FAQ
Is August a good time to visit Tehran?
Can you sunbathe in Tehran in August?
Is Tehran rainy in August?
Is it sunny in Tehran in August?
Other cities in Iran
Monthly weather in Tehran
Source of the data
For this page, we’ve looked at the typical weather in Tehran, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.