Measurements:
°C
°F
CURRENT WEATHER
20:03
Irkutsk
48°F
NW 4 mph
Feels like: 46°F
Precip: 14%
World Resorts Russia Irkutsk Weather

7 Day Weather Forecast

10.05
mon
DAY
60°F
N 4 mph
precip
6%
NIGHT
48°F
N 4 mph
precip
15%
10.06
tue
DAY
48°F
NE 2 mph
precip
29%
NIGHT
42°F
SE 6 mph
precip
30%
10.07
wed
DAY
50°F
NW 2 mph
precip
5%
NIGHT
42°F
W 4 mph
precip
22%
10.08
thu
DAY
42°F
SE 12 mph
precip
25%
NIGHT
30°F
N 2 mph
precip
13%
10.09
fri
DAY
46°F
NW 9 mph
precip
13%
NIGHT
36°F
NW 5 mph
precip
26%
10.10
sat
DAY
46°F
N 5 mph
precip
15%
NIGHT
36°F
SE 11 mph
precip
65%
10.11
sun
DAY
42°F
SE 7 mph
precip
15%
NIGHT
34°F
E 2 mph
precip
31%

Irkutsk Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Irkutsk was 10.0°F. The maximum and minimum values were 6.5°F and 14.7°F respectively.

Irkutsk on the Weather Map

Best Time to Visit Irkutsk
The most sunny months:
June 16 days
July 16 days
August 15 days
The most warm months:
July 79.2 °F
June 75.0 °F
August 73.2 °F
Warmest sea temperature:
August 60.3 °F
July 55.3 °F
September 54.9 °F
The most cold months:
January -2.1 °F
December 2.7 °F
February 5.9 °F
The most rainy months:
May 3 days
July 3 days
August 3 days
The most windy months:
May 7 mph
April 6 mph
June 6 mph
more details