Tehran Climate by Month
The temperature in Tehran can vary greatly throughout the year.
The temperatures shift from very hot
to cold.
It's weather is marked by below-average rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Depending on the time of the year, temperatures range from very hot to chilly in Tehran. Average daytime temperatures reach a very hot 35°C in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C. At night, expect cooler temperatures, averaging -6°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Tehran has a relatively dry climate with low precipitation, averaging 361 mm of rain/snowfall annually. Tehran can be quite wet during March, receiving approximately 62 mm of precipitation over 11 rainy days. In contrast August, experiences much drier conditions, with 3.4 mm of rainfall, spread across 2 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Tehran can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 11.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Tehran.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Tehran ranges from 1°C in January to 3°C in March.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Tehran in Iran
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of June, July, August and September are very dry.
July has an average maximum temperature of 35°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 5°C.
March tops the wettest month list with 62 mm of rainfall.
August is the driest month with 3 mm of precipitation.
June is the sunniest month with an average of 349 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
