Irkutsk Weather Year-Round — Best Time to Visit
Irkutsk, Russia has cold weather year-round. The best time to visit is June (score: 81/100). Annual average high: 6.7°C, total rainfall: 447mm.
When is the best time to visit Irkutsk?
81
June is the best month to visit Irkutsk with a travel score of 81/100 (Excellent).
Expect highs of 22.8°C, 10 rain days, and 12 hours of daily sunshine.
View June weather details →Travel Score by Month
50
Jan
55
Feb
59
Mar
69
Apr
75
May
81
Jun
79
Jul
77
Aug
68
Sep
60
Oct
48
Nov
46
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Irkutsk each month?
6.7°C
Avg High
-3.8°C
Avg Low
447mm
Annual Rain
How much rain does Irkutsk get?
Irkutsk receives 447mm of rain annually. The wettest month is typically July with 101mm, while February is the driest.
What is the weather like each month in Irkutsk?
January
50
-14°C
Low: -23°C
2 rain days
Mixed
February
55
-9°C
Low: -20°C
2 rain days
Mixed
March
59
0°C
Low: -12°C
3 rain days
Mixed
April
69
10°C
Low: -3°C
5 rain days
Good
May
75
17°C
Low: 3°C
8 rain days
Good
June
Best time to visit81
23°C
Low: 11°C
10 rain days
Excellent
July
79
25°C
Low: 14°C
12 rain days
Good
August
77
22°C
Low: 12°C
11 rain days
Good
September
68
16°C
Low: 6°C
10 rain days
Good
October
60
7°C
Low: -2°C
5 rain days
Mixed
November
48
-3°C
Low: -11°C
4 rain days
Mixed
December
46
-12°C
Low: -20°C
4 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31