Irkutsk weather in January 2025

Q: How cold is it in Irkutsk in January?

Daytime temperatures usually reach -14°C in Irkutsk in January, falling to -24°C at night.

Q: How sunny is it in Irkutsk in January?

There are normally 3 hours of bright sunshine each day in Irkutsk in January - that's 39% of daylight hours.

Q: Does it rain in Irkutsk in January?

There are usually 11 days with some rain in Irkutsk in January and the average monthly rainfall is 13mm. Rain may fall as snow in this month.

Expect -14°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Irkutsk in January. Check more long-term weather averages for Irkutsk in January before you book your next holiday to Russia (Central Asia) in 2025/2026.

-14
-14°C max day temperature
3
3 hours of sunshine per day
11
11 days with some rainfall
-24
-24°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
13
13 mm of monthly rainfall
0
No UV (Maximum) Index UV index

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The January weather guide for Russia (Central Asia) (Irkutsk) 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 / mm) | Imperial (°F / inches)

How cold is it in Irkutsk in January?

Daytime temperatures usually reach -14°C in Irkutsk in January, falling to -24°C at night.

How sunny is it in Irkutsk in January?

There are normally 3 hours of bright sunshine each day in Irkutsk in January - that's 39% of daylight hours.

Does it rain in Irkutsk in January?

There are usually 11 days with some rain in Irkutsk in January and the average monthly rainfall is 13mm. Rain may fall as snow in this month.