Measurements:
°C
°F
Irkutsk
58°F
W 2 mph
Feels like: 58°F
Precip: 6%
World Resorts Russia Irkutsk Weather

Irkutsk Sea Water Temperature

Current Sea Water Temperature:
+52.0°F
Maximum Sea Water Temperature in October: 59.4°F
Minimum Sea Water Temperature in October: 30.0°F
Average water temperature in October: 46.6°F

Sea Water Temperature for the Last 10 Days:

October 05 52.0°F September 30 53.6°F
October 04 52.2°F September 29 54.0°F
October 03 52.6°F September 28 54.4°F
October 02 53.0°F September 27 55.2°F
October 01 53.2°F September 26 56.0°F

When is the Warmest Sea for Irkutsk?

According to our data for the last three years for Irkutsk the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Irkutsk was 61.9°F. The maximum and minimum values were 57.4°F and 63.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Irkutsk was 58.1°F. The maximum and minimum values were 53.2°F and 61.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Irkutsk was 58.2°F. The maximum and minimum values were 53.6°F and 64.0°F respectively.

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

Irkutsk on the Weather Map

Russia Resorts:
NAME
F°
Adler +66
Anapa +64
Buhta Inal +62
Dombay +62
Gelendzhik +62
Lazarevskoye +62
Mahachkala +66
Moscow +54
Novorossiysk +68
Seliger +50
Shamora +50
Sochi +62
St Petersburg +54
Yaroslavl +46
Zelenogradsk +60
24 Hours Weather Forecast
Irkutsk
Local time: 17:36
05 oct, monday
1800 58°F
W
2 mph
2100 48°F
NW
4 mph
06 oct, tuesday
0000 48°F
N
4 mph
0300 48°F
SE
4 mph
0600 48°F
E
4 mph
0900 48°F
E
7 mph
1200 48°F
NE
2 mph
1500 50°F
NW
1 mph