Iran weather in May 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Iran in May. Check more long-term weather averages for Iran in May before you book your next holiday to Iran in 2025/2026.

  • 26°C maximum daytime temperature in May in Iran (Tehran)26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in May in Iran (Tehran)10
    10 days with some rainfall
  • 14°C minimum night-time temperature in May in Iran (Tehran)14
    14°C min night temperature
  • 14 hours of daylight per day in May in Iran (Tehran)14
    14 hours of daylight per day
  • Low heat & humidity in May in Iran (Tehran)L
    Low heat & humidity
  • 22 mm monthly rainfall in May in Iran (Tehran)22
    22 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Iran (Tehran)11
    11 (Extreme) UV index

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The May weather guide for Iran (Tehran) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Iran destinations

Below are average maximum temperatures at popular countries, regions and places in Iran in May. Select a holiday destination to see more weather parameters.

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

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How hot is it in Iran in May?

Daytime temperatures usually reach 26°C in Tehran, Iran in May with low heat and humidity, falling to 14°C at night.

How sunny is it in Iran in May?

There are normally 9 hours of bright sunshine each day in Tehran, Iran in May - that's 64% of daylight hours.

Does it rain in Iran in May?

There are usually 10 days with some rain in Tehran, Iran in May and the average monthly rainfall is 22mm.

Iran May sunrise & sunset times

Browse the sunrise and sunset times for Iran in May 2025. Select a month to view Iran sunrise and sunset times for the next 12 months. The Iran sunrise and sunset times shown below are for Tehran.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:12 18:51
Friday, 16th May 2025 04:58 19:03
Saturday, 31st May 2025 04:50 19:14

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