Which is the hottest month in Irkutsk?

The hottest time of year in Irkutsk is normally July. Expect maximum daytime temperatures to reach 24°C.

Which month has the most rain in Irkutsk?

In terms of rainfall, July is usually the wettest month in Irkutsk with 126mm on average. There are normally 15 days in July with some rain.

When is it sunniest in Irkutsk?

The sunniest time of year in Irkutsk is normally March with bright sunshine on average for 57% of daylight hours; that's 7 hours of sunshine per day.

Best time to visit Irkutsk

Q: When is the best time to visit Irkutsk?

The best time to visit Irkutsk is May and June based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Irkutsk and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Irkutsk by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Russia (Central Asia)

KAYAK: Explore destinations from the UK

Sale

Explore top offers on direct flights from the UK
Filter destinations by price, trip type, flight time & more
Choose a destination to see cheapest fares & airlines

Go to KAYAK deal >>

View all KAYAK offers

When is the best time to visit Irkutsk?

The best time to visit Irkutsk is May and June based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
1.5
Feb
3
Mar
4
Apr
4.5
May
4.5
Jun
4
Jul
3
Aug
2.5
Sep
1.5
Oct
0
Nov
0
Dec

Change criteria

Hours of Sunshine (daily)

3
Jan
5
Feb
7
Mar
8
Apr
9
May
9
Jun
8
Jul
7
Aug
6
Sep
5
Oct
3
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Russia (Central Asia) (Irkutsk) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)