Irkutsk weather in October 2025

Expect 6°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Irkutsk in October. Check more long-term weather averages for Irkutsk in October before you book your next holiday to Russia (Central Asia) in 2025/2026.

  • 6°C maximum daytime temperature in October in Irkutsk6
    6°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in October in Irkutsk9
    9 days with some rainfall
  • -4°C minimum night-time temperature in October in Irkutsk-4
    -4°C min night temperature
  • 11 hours of daylight per day in October in Irkutsk11
    11 hours of daylight per day
  • No heat & humidity in October in Irkutsk0
    No heat & humidity
  • 32 mm monthly rainfall in October in Irkutsk32
    32 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Irkutsk2
    2 (Low) UV index

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The October 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)

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How cold is it in Irkutsk in October?

Daytime temperatures usually reach 6°C in Irkutsk in October, falling to -4°C at night.

How sunny is it in Irkutsk in October?

There are normally 5 hours of bright sunshine each day in Irkutsk in October - that's 47% of daylight hours.

Does it rain in Irkutsk in October?

There are usually 9 days with some rain in Irkutsk in October and the average monthly rainfall is 32mm. Rain may fall as snow in this month.

Irkutsk October sunrise & sunset times

Browse the sunrise and sunset times for Irkutsk in October 2025. Select a month to view Irkutsk sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 07:04 18:40
Thursday, 16th October 2025 07:30 18:06
Friday, 31st October 2025 07:56 17:36

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