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The climate of Iran
The current climate in Iran 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 Iran.
Temperature records
The highest temperature recorded in Iran 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, Iran 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.
The climate in Iran is based on weather data from Tehran. Other spots might have different weather. You can check out all destinations in Iran to get the full picture of the climate.
Best time to visit Iran?
The best time to visit Iran 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 Iran. 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 Iran
The climate table of Iran 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 Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Iran
Yearly Temperature in Iran
Precipitation charts
These charts show the average amount of precipitation in 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 Iran
Total Yearly Precipitation in Iran
Average Snowfall per Month in Iran
Total Yearly Snowfall in Iran
UV index chart
This chart shows the average UV index per month in 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 Iran
Weather experiences in Iran
The weather in Iran is rated an average of 2,7 out of 5 stars by 6 visitors. Have you been to Iran? Share your weather experience to help other visitors.
Lina Hummelink
The weather was quite dry and very hot, the cooling was insignificant. Suitable for sunbathers, but a little hot for my comfort.
Janneke DreessenNights were cool, which was a welcome change. Only occasional rain, but mostly clear and sunny. Ideal for travel and leisure.
GijsThe evenings can be surprisingly cold with sudden temperature changes, so bring warm clothes!
MerelIt was a pleasantly warm day, with temperatures around 20 degrees Celsius, ideal for long walks. At night, however, it gets considerably colder. Be sure to bring a coat for this evening.
JolijnFebruary in Iran proved to be a mixed month in terms of weather. The nights were cold, but the days were pleasantly warm. It was dry and sunny and the cold wind made it uncomfortable.
Have you been to Iran?
Share your weather experiences in Iran.
Average weather in Iran by month
Click on a month below to see detailed weather info for Iran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.