Tehran weather in January 2021

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5
5°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-3
-3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
37
37 mm of monthly rainfall
3
3 (Moderate) UV index

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The January weather guide for Tehran, Iran 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.

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How cold is it in Tehran in January?

Daytime temperatures usually reach 5°C in Tehran in January, falling to -3°C 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 37mm. Rain may fall as snow in this month.