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IranThe climate of Tehran
The current climate in Tehran features temperatures ranging from a high of 38°C to a low of 12°C throughout the year. The average yearly temperature is around 26°C. At night, temperatures in the colder months average around 2°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Tehran, Iran.
Temperature records
The highest temperature recorded in Tehran in recent years was 45°C in August 2020. The lowest daytime temperature recorded was -5°C in February 2014.
Precipitation and snowfall
On average, Tehran gets 145 mm of precipitation each year. Of this, about 8,7 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Tehran?
The best time to visit Tehran for sunny weather is March through May, September and October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Tehran. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Tehran
The climate table of Tehran shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 12 | 13 | 21 | 28 | 32 | 37 | 38 | 38 | 35 | 25 | 17 | 15 |
| Temp. min (°C) | 2 | 4 | 10 | 15 | 20 | 25 | 26 | 25 | 22 | 15 | 8 | 4 |
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| Precipitation (mm) | 14 | 22 | 21 | 14 | 7,9 | 1,4 | 4,1 | 0,1 | 0,1 | 23 | 21 | 16 |
| Snow (cm) | 4,5 | 3,1 | 0,1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,4 | 0,6 |
| UV Index | 6 | 7 | 8 | 9 | 10 | 10 | 9 | 10 | 9 | 7 | 5 | 5 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Tehran, Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Tehran
Yearly Temperature in Tehran
Precipitation charts
These charts show the average amount of precipitation in Tehran, Iran. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Tehran
Total Yearly Precipitation in Tehran
Average Snowfall per Month in Tehran
Total Yearly Snowfall in Tehran
UV index chart
This chart shows the average UV index per month in Tehran, Iran. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Tehran
Weather experiences in Tehran
The weather in Tehran is rated 3 out of 5 stars by 1 visitor.
Janet
Have been to Tehran 2 times. For me it was very hot because of my MS. In the evening we often went out to the Bazaar. Did some nice things during the day but first checked the weather forecast. Beautiful country with lovely people.
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Average weather in Tehran by month
Click on a month below to see detailed weather info for Tehran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.