Russia · 1991–2020 normal

Irkutsk in
October.

Typical October weather in Irkutsk: 7.8°C by day, -2.4°C at night, 21 mm of rain over 4.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.8°C
Typical low-2.4°C
Rain21 mm
Wet days4.8

In the year-round weather comparison, October scores 14 out of 100 (June leads the year at 81). Daylight is calculated as 10 h 31 from latitude 52.30°.

October at a glance

What is Irkutsk like in October?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Irkutsk hot in October?

Days are typically cold at 7.8°C, while nights average -2.4°C.

Does it rain much?

The measured monthly average is 21 mm across about 5 wet days.

How much daylight is there?

There are about 10 h 31 between sunrise and sunset at mid-month, calculated from the place latitude.

Is October a good time to visit?

October ranks 7 of 12 in our weather comparison; June ranks first.

Event window

Frost-level nights in October

The measured night-time normal is -2.4°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2023469
NOAA station
RSM00030710 · IRKUTSK
Station distance
5.2 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for Irkutsk is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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