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 June and July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C.

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)

Booking.com: Latest worldwide hotel deals

Sale

Check out latest hotel deals worldwide with Booking.com
Find trending hotels, popular destinations & more
Search for specific destinations & dates or by hotel type

Go to Booking.com deal >>

View all Booking.com offers

When is the best time to visit Irkutsk?

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

Maximum daytime temperature = 22 - 30°C [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0
Mar
0
Apr
1
May
5
Jun
5
Jul
4
Aug
0
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

-14
Jan
-10
Feb
-1
Mar
8
Apr
17
May
22
Jun
24
Jul
21
Aug
15
Sep
6
Oct
-4
Nov
-12
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)