Measurements:
°C
°F
St Petersburg
-8°F
S 3 mph
Feels like: -16°F
Precip: 85%
World Resorts Russia St Petersburg Weather

St Petersburg Sea Water Temperature

Current Sea Water Temperature:
+26.4°F
Maximum Sea Water Temperature in January: 33.0°F
Minimum Sea Water Temperature in January: 25.8°F
Average water temperature in January: 28.1°F

Sea Water Temperature for the Last 10 Days:

January 30 26.4°F January 25 26.4°F
January 29 26.4°F January 24 26.6°F
January 28 26.4°F January 23 26.6°F
January 27 26.4°F January 22 26.6°F
January 26 26.4°F January 21 27.0°F

When is the Warmest Sea for St Petersburg?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for St Petersburg was 64.6°F. The maximum and minimum values were 60.8°F and 74.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for St Petersburg was 67.2°F. The maximum and minimum values were 59.2°F and 75.8°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for St Petersburg was 57.4°F. The maximum and minimum values were 52.0°F and 60.6°F respectively.

Best Time to Visit St Petersburg
The most sunny months:
July 14 days
June 13 days
August 12 days
The most warm months:
July 74.1 °F
August 71.1 °F
June 68.4 °F
Warmest sea temperature:
August 65.2 °F
July 64.5 °F
June 58.1 °F
The most cold months:
January 19.9 °F
February 23.3 °F
December 26.4 °F
The most rainy months:
August 5 days
July 4 days
June 4 days
The most windy months:
December 9 mph
November 9 mph
October 9 mph

St Petersburg on the Weather Map

Russia Resorts:
NAME
Adler +48
Anapa +48
Dombay +28
Gelendzhik +50
Kaliningrad +2
Lazarevskoye +50
Moscow -10
Novorossiysk +50
Seliger -22
Sirius +48
Sochi +46
St Petersburg -8
Vladivostok +2
Yaroslavl -18
Zelenogradsk +2
24 Hours Weather Forecast
St Petersburg
Local time: 00:48
31 jan, saturday
0300 -10°F
S
2 mph
0600 -10°F
S
3 mph
0900 -12°F
SW
3 mph
1200 0°F
SW
5 mph
1500 4°F
SW
5 mph
1800 -8°F
SW
4 mph
2100 -10°F
SW
2 mph
01 feb, sunday
0000 -12°F
SW
2 mph