Measurements:
°C
°F
Irkutsk
22°F
SE 7 mph
Feels like: 12°F
Precip: 67%
World Resorts Russia Irkutsk Weather

Irkutsk Sea Water Temperature

Current Sea Water Temperature:
+43.4°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 25 43.4°F October 20 45.0°F
October 24 43.8°F October 19 45.2°F
October 23 44.4°F October 18 45.4°F
October 22 44.8°F October 17 46.2°F
October 21 45.2°F October 16 46.4°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 +70
Anapa +70
Buhta Inal +68
Dombay +62
Gelendzhik +68
Lazarevskoye +68
Moscow +52
Novorossiysk +70
Seliger +54
Sirius +70
Sochi +68
St Petersburg +52
Vityazevo +70
Yaroslavl +50
Zelenogradsk +54
24 Hours Weather Forecast
Irkutsk
Local time: 20:12
25 oct, sunday
2100 22°F
SE
7 mph
26 oct, monday
0000 26°F
SE
11 mph
0300 22°F
SE
11 mph
0600 22°F
SE
9 mph
0900 20°F
SE
7 mph
1200 26°F
SE
12 mph
1500 28°F
SE
11 mph
1800 24°F
SE
6 mph