Iran climate and temperatures

Climate type
Mediterranean
Best time to visit
September – November
Avg. temperature
14°C – 30°C
Annual rainfall
600 mm
Warmest month
August (35°C)
Coldest month
January (11°C)
Driest month
July (22 mm)
Wettest month
October (84 mm)

The climate of Iran is a hot desert climate (Köppen: BWh), hot and extremely dry. Monthly temperatures range from a minimum of 12°C in winter (December–February) to a maximum of 38°C in summer (June–August). The average annual temperature is around 26°C.

During the winter months, nighttime temperatures can drop to an average of 2°C, while summer nights average around 26°C.

Popular destinations in Iran

View all destinations in Iran

Climate table of Iran

The climate table below gives you a clear overview of the climate in Iran by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 14 16 17 19 23 27 30 30 27 23 18 16
Temp. min (°C) 6 7 9 11 15 19 22 22 19 15 10 7
Rainfall
Droplet
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Rainfall (mm) 46 34 46 64 43 23 22 75 77 84 61 25
UV index 4 5 6 7 8 8 8 8 6 5 4 4

Best time to visit Iran

The best time to visit Iran is April. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Especially in April, the climate is favorable, with an average high temperature of 28°C and around 14 mm of rainfall. For a sun or beach holiday, April, May, June, July, August, September en October are the most suitable months. It is often warm to hot and relatively dry during this time. For a city trip, round trip, or active holiday, March, April en October are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is July, with an average daytime temperature of around 38°C. The driest month is August, with about 0 mm of rainfall, while October is usually the wettest month of the year, with approximately 23 mm. Snow is rare here, but may occasionally fall in January, December en February.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Iran. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Iran. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Iran. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Iran based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Iran over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Iran

The weather in Iran is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Iran? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Iran is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.