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Our weather and climate analysis offers a detailed understanding of average weather patterns for locations across the globe. Derived from 26 years of historical simulated weather data from ECMWF, it provides valuable insights into typical weather conditions, including air temperature, humidity, precipitation, cloud cover and wind. It is important to note the data is not observational, but rather derived from climate reanalysis.

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Iran > Tehran > Overview

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Weather Trends in Tehran, IranWeather Trends in Tehran,
Iran
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Travel Weather Planner

What is the best time to visit Tehran to enjoy the optimal weather conditions?

Monthly Weather Data Table

This quick reference weather table contains a summary of the annual climate trends in Tehran. It contains key metrics, including average monthly high & low temperatures, rainfall, humidity and UV index. The data is presented on a monthly basis, allowing you to see how each these weather components change throughout the year.

Historical Extremes

Explore the most extreme weather events in Tehran over the past 26 years, including record highs and lows for temperatures, rainfall, and wind speeds. This data is sourced from the latest ERA5 reanalysis model spanning 2000 to 2025.

Annual Climate Summary

With its cold semi-arid climate, Tehran is characterized by hot dry summers and cold wet winters.

In Tehran, summer temperatures average around 25.7°C (78.3°F), and in winter temperatures average around -1.2°C (29.8°F). Tehran temperatures exhibit high diurnal variation. Tehran experiences low levels of rainfall, with a total annual average of 352 mm (14 in).

Location Map

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Latitude

35.6892° N

Longitude

51.3889° E

Population

14,15M

Köppen Class

BSk

Warmest Month

Jul31.6°C

Coldest Month

Jan-2.6°C

Windiest Month

Jun7.1 km/h

Rainiest Month

Mar59 mm