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Iran’s weather varies vastly depending on the region, meaning that you can go for skiing and then fly for less than an hour to the south and swim inside the sea in winter. Because of global weather changes Iran is experiencing warmer summers even in cold cities, but in mountainous areas you can experience cold weather throughout the year.

Raining in Iran depends directly to the rainy clouds that come from Mediterranean Sea; they get into Iran from North West of the country and exit from north east to Pakistan and Afghanistan. We have 4 main climates in Iran that are obviously different from region to region, these climates are mountainous cold, Caspian wet moderate, semi-arid to arid warm, southern wet and hot.

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Iran climates

In this map you can see climatic regions of Iran which we give you some practical information about.

IranClimate

Arid and semi-arid warm weather

Since large portions of Iran are actually deserts, the weather in neighboring areas is greatly affected by their status, cities located near large deserts such as Dasht-e-Kavir and Lut have arid weather while cities near Zagros and Alborz mountain range have semi-arid weather.

As you can see on internet sources Lut desert is hottest place in the world with registered temperature as 70.1 Celsius degrees, so cities near those deserts have long hot summers and due to desert climate, cold nights, but the situation near mountains is better since they provide water sources as well as preventing dramatic changes in temperature.

Cities like Yazd, Kerman, Kashan and Qom have arid and hot weather and cities like Tehran, Isfahan and Mashhad have semi-arid and half mountainous weather.

for having a better and more enjoyable trip to these cities we recommend you to avoid planning a trip during summer to these cities as there are restrictions about clothing that might not let you wear your typical comfortable clothes. Summers in arid and hot cities like Yazd start sooner than cities near mountains like Isfahan, starting from about June to end of September.

Temperature range Temperature range in cities vary from minus 5 to 47 degrees

Best time to go Best time to travel is between the end of September until December and from end of February until middle of May.

What should we do there? Arid and hot weather near deserts especially in summers can be dangerous for the unprepared.

In arid hot cities, make sure to cover all your body from sunlight with clothes and sun screen (at least SPF 60) as you can easily get sun burned. Use sunglasses with at least Cat5 glasses to protect your eyes against the sun. Use lip creams to protect your lips from getting dry.

Before heading towards deserts, it is advisable to buy a Keffiyeh (a cotton Scarf), which is called Chafiyeh in Iran, from a city before head. Buy a sun hat to protect your head from the sun; and have a water bottle with you. And be careful! never ever go to desert without a professional guide or you will be in danger.

Mountainous Climate

Alborz and Zagros mountain ranges occupy thousands hectares of land and because of that cold mountainous weather is the second most widespread climate in Iran.

Specially Zagros mountain range in western Iran hosts amazing nature and because it is located far away from the capital Tehran it is mostly untouched.

Like other mountainous areas long and cold winter is typical of this area except for northern side of Alborz range; Areas with this climate, even those with lots of rain, can be classified as semi-arid.

Temperature range Temperature range in mountainous areas vary from minus 35 Celsius degrees (north east of Tehran) to 35 degrees at summers.

Best time to go Best time to travel is from end of March until October otherwise its cold especially in the middle of winter. Of course for mountain climbing this date range is even shorter and is limited to summers.

What should we do there? Of course in the middle of winter you can face snowy roads leading to cities in this area and might even encounter roads are closed for hours or few days.

In winters, mountain climbing is only for professional climbers with complete winter equipment.

Do not forget sun screen and moisturizers for your lips to prevent dryness.

Southern wet and hot climate

Because in the south we are closer to the equator, weather gets warmer and because we have Persian Gulf and Oman Sea, there is humidity too.

Temperature can reach to more than 55 degrees in summer even inside cities and humidity can be more than 85 percent, so as you can imagine, the weather is quite uncomfortable in southern Iran during summers.

West of this area near Iraq border in Khuzestan province, we get occasional sand storms that come from Iraq which are dangerous for health; so always check weather warnings and make sure you are travelling at the best time.

Unlike summers, in winters the weather is amazing in south and you can even swim inside Persian Gulf and around its islands such as Qeshm or Kish.

Temperature range Temperature range in mountainous areas range from minus 35 Celsius degrees (north east of Tehran) to 35 degrees at summers.

Best time to go Best time to travel is October through April.

what should we do there? southern Iran is hot and humid, so you definitely need good wide sunglasses, kaffyeh or chafieh is useful too, avoid bad hotels and in warm days never ever turn off the cooling systems since vermin is a threat.

Because of humidity and heat, bacteria grow fast; so avoid meat in unknown restaurants or never buy fish and meat from street vendors, just buy everything you want from shops and stores with refrigerators.

Caspian Moderate Wet Climate

The area between Caspian Sea and Alborz Range is named Caspian lands and Iranians call it Shomal (which means north in Persian). Because of high mountains, clouds and humidity coming from the sea gets trapped behind these mountains, unable to escape. Causing humid, rainy weather, resulting in vast rainforests.

In mountainous areas of this land we have snow at winters and cold weather in summers, but the weather is moderate with high precipitation across the Caspian lands. In winters, some roads leading to Mazandaran might be closed due to snow.

Since humidity and moderate weather is rare in Iran, many Iranians love Caspian climate and because of that, you can see thousands of modern buildings which mostly have been built by Tehranis especially in Mazandaran, so the roads leading to Mazandaran are busy in holidays.

Temperature range Temperature range in low lands is from 10 to 34 degrees Celsius and in high lands from 0 to 24 degrees Celsius.

Best time to go Best time to travel is April through June, September and October.

what should we do there? What should we do there? Caspian Lands are like Europe. Just bring water resistant clothes and ask about roads conditions in winter.