Tehran weather in January 2026

Expect daytime maximum temperatures of 41°F in Tehran, Iran in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

  • 41°F maximum daytime temperature in January in Tehran41
    41°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Tehran10
    10 days with some rainfall
  • 27°F minimum night-time temperature in January in Tehran27
    27°F min night temperature
  • 10 hours of daylight per day in January in Tehran10
    10 hours of daylight per day
  • No heat & humidity in January in Tehran0
    No heat & humidity
  • 1.5 inches monthly rainfall in January in Tehran1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Tehran3
    3 (Moderate) UV index

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The January 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.

Metric (°C)  |  Imperial (°F)

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How cold is it in Tehran in January?

Daytime temperatures usually reach 41°F in Tehran in January, falling to 27°F at night.

How sunny is it in Tehran in January?

There are normally 5 hours of bright sunshine each day in Tehran in January - that's 54% of daylight hours.

Does it rain in Tehran in January?

There are usually 10 days with some rain in Tehran in January and the average monthly rainfall is 1.5 inches. Rain may fall as snow in this month.

Tehran January sunrise & sunset times

Browse the sunrise and sunset times for Tehran in January 2026. Select a month to view Tehran sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:14 17:02
Friday, 16th January 2026 07:13 17:15
Saturday, 31st January 2026 07:05 17:31

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