World Resorts Russia St Petersburg Weather

St Petersburg sea water temperature

Current sea water temperature:
+55.0°F
Minimum sea water temperature in October: 56.3°F
Maximum sea water temperature in October: 34.9°F
Average sea water temperature in October: 45.5°F

Sea water temperature for the last 10 days:

October 4 55.0°F September 29 54.5°F
October 3 55.0°F September 28 54.3°F
October 2 51.6°F September 27 54.5°F
October 1 52.7°F September 26 55.0°F
September 30 50.4°F September 25 55.9°F

When is the warmest sea in St Petersburg?

Based on the data about daily sea water temperature for the last three years the warmest sea in St Petersburg was noticed in August, July and June.

Monthly Sea Temperatures in St Petersburg, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 59.9°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 69.1°F and 62.8°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 60.9°F. The highest and lowest sea temperatures during the month were 64.2°F and 52.0°F.

Best time for vacation in St Petersburg

Sunniest months:
July 14 days
June 12 days
August 12 days
Warmest months:
July 71.6 °F
August 68.9 °F
June 66.7 °F
Warmest sea temp:
August 63.7 °F
July 63.3 °F
June 57.6 °F
Coldest months:
January 22.9 °F
February 25.4 °F
December 28.7 °F
Rainiest months:
July 4 days
June 4 days
August 4 days
Windiest months:
December 9.5 mph
November 9.2 mph
October 8.9 mph

St Petersburg on a weather map

St Petersburg
+48°F
E 7 mph
Feels like: +45°F
Precip.: 25%
Places in Russia:
Name
°F
+46°F
+55°F
+55°F
+57°F
+30°F
+52°F
+59°F
+54°F
+50°F
+48°F
+48°F
+48°F
+59°F
+52°F
+41°F
24 Hours Forecast
St Petersburg
Local time: 04:56
October 05, monday
0600
48°F
E
7 mph
0900
50°F
E
6 mph
1200
54°F
NE
8 mph
1500
54°F
NE
6 mph
1800
52°F
NE
8 mph
2100
52°F
NE
9 mph
October 06, tuesday
0000
52°F
N
11 mph
0300
54°F
N
14 mph
Units of measurement: °C / °F