Measurements:
°C
°F
Irkutsk
72°F
S 4 mph
Feels like: 72°F
Precip: 1%
World Resorts Russia Irkutsk Weather

Irkutsk Sea Water Temperature

Current Sea Water Temperature:
+62.4°F
Maximum Sea Water Temperature in August: 68.4°F
Minimum Sea Water Temperature in August: 30.0°F
Average water temperature in August: 60.2°F

Sea Water Temperature for the Last 10 Days:

August 24 62.4°F August 19 63.6°F
August 23 62.6°F August 18 63.2°F
August 22 62.8°F August 17 61.6°F
August 21 62.4°F August 16 61.8°F
August 20 63.2°F August 15 62.0°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 61.8°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: 2025 2024 2023

The average sea surface temperature in September 2025 for Irkutsk was 60.0°F. The maximum and minimum values were 56.0°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 73.3 °F
Warmest sea temperature:
August 60.3 °F
July 55.3 °F
September 54.7 °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
Adler +80
Anapa +80
Arhipo-Osipovka +78
Dombay +64
Gelendzhik +78
Kabardinka +78
Lazarevskoye +78
Mahachkala +92
Moscow +56
Novorossiysk +76
Seliger +52
Sochi +78
St Petersburg +56
Yaroslavl +58
Zelenogradsk +66
24 Hours Weather Forecast
Irkutsk
Local time: 14:39
25 aug, tuesday
1500 72°F
S
4 mph
1800 70°F
SW
6 mph
2100 64°F
NW
4 mph
26 aug, wednesday
0000 58°F
NW
3 mph
0300 54°F
NW
2 mph
0600 52°F
NW
2 mph
0900 54°F
NW
3 mph
1200 66°F
W
6 mph