Best time to visit Iran

Find the best time to visit Iran and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Iran destinations

Below are the temperatures expected today at popular countries, regions and places in Iran. Select a destination to compare today's forecast with average weather conditions.

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When is the best time to visit Iran?

The best time to visit Iran (Tehran) is May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 5°C maximum daytime temperature in January in Iran (Tehran)5
    Jan
  • 8°C maximum daytime temperature in February in Iran (Tehran)8
    Feb
  • 14°C maximum daytime temperature in March in Iran (Tehran)14
    Mar
  • 20°C maximum daytime temperature in April in Iran (Tehran)20
    Apr
  • 26°C maximum daytime temperature in May in Iran (Tehran)26
    May
  • 32°C maximum daytime temperature in June in Iran (Tehran)32
    Jun
  • 35°C maximum daytime temperature in July in Iran (Tehran)35
    Jul
  • 34°C maximum daytime temperature in August in Iran (Tehran)34
    Aug
  • 30°C maximum daytime temperature in September in Iran (Tehran)30
    Sep
  • 22°C maximum daytime temperature in October in Iran (Tehran)22
    Oct
  • 15°C maximum daytime temperature in November in Iran (Tehran)15
    Nov
  • 8°C maximum daytime temperature in December in Iran (Tehran)8
    Dec

Hours of Sunshine (daily)

Which is the hottest month in Iran?

The hottest time of year in Tehran, Iran is normally July. Expect maximum daytime temperatures to reach 35°C with high heat and humidity.

Which month has the most rain in Iran?

In terms of rainfall, March is usually the wettest month in Tehran, Iran with 40mm on average. There are normally 11 days in March with some rain.

When is it sunniest in Iran?

The sunniest time of year in Tehran, Iran is normally September with bright sunshine on average for 80% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit

The weather guide for Iran (Tehran) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Iran weather overview

Iran is a huge country whose vast central plains are surrounded by mountains. The plains experience extreme conditions in both the summer and winter. In the summer, searing hot, dry, almost desert-like conditions prevail while the winter months bring changeable weather which can vary from mild and muggy to icy cold, when the harsh Siberian winds sweep through.

The best place to be in the winter is along the coast of the Persian Gulf or on the shore of the Arabian Sea where conditions are milder. In the summer, however, temperatures here can soar as high as on the plains and are exacerbated by high humidity creating a risk of heatstroke for the unwary. The most temperate part of Iran is the small region of forest which borders the Caspian Coast. This receives the highest level of rainfall in the country. In the rest of Iran, winter and spring are the rainiest periods.

What to pack for Iran weather

Take light, loose clothing with head covers for the summer months, wrap up much more warmly in the winter and anticipate rain in the winter and spring. Women should respect the Islamic dress code.

Iran travel features

Do you want to learn more about Iran? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Iran.

We don't currently have any travel features on Iran. Discover more about holiday destinations around the world with this selection of general travel articles.

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