Tehran Mehrabad Temperature by Month

Tehran Mehrabad, Iran has an average annual maximum temperature of 21°C (70°F), ranging from 5°C (41°F) in January to 36°C (97°F) in July. Below you'll find a full monthly breakdown and a comparison with cities worldwide.

The climate in Tehran Mehrabad is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 24°C (75°F) in July to -5°C (23°F) in January.

The chart below illustrates the average maximum day and minimum night temperatures in Tehran Mehrabad by month:

Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM. July, the warmest month, sees 344 hours of sunshine.

The chart below shows the average temperature throughout the year:

Tehran Mehrabad's average annual maximum temperature is 21°C (70°F). To put that in context, here's how it compares to a few well-known destinations:

Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.

Reykjavík, Iceland averages 9°C (48°F) a year, mild summers by Icelandic standards, but cold winters and frequent wind.

New York City, USA averages 17°C (63°F) a year, with hot humid summers and cold winters that bring regular snowfall.

Melbourne, Australia averages 20°C (68°F) annually, known for unpredictable weather, with four seasons sometimes happening in one day.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.

In Tehran Mehrabad, January is the coolest month, with average highs of 5°C (41°F) and humidity around 65%, considered high. In July, the warmest month, temperatures average 36°C (97°F) with 24% humidity, conditions that feel low. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Seasonal temperature shifts influence more than just how warm it feels, they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.

Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Tehran Mehrabad this rarely lasts long on the ground.

For more on Tehran Mehrabad's weather, including monthly rainfall, sunshine hours, and humidity, visit our Tehran Mehrabad climate page.