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 |
| more information | |
14 days
forecast
forecast
| St Petersburg |
monthly
weather
weather
| St Petersburg |
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 |
Monthly sea water temperature, °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.
current
weather
weather
| St Petersburg |
weather in
October
October
| St Petersburg |
Best time for vacation in St Petersburg
St Petersburg on a weather map
Places in Russia:
Name
°F
24 Hours Forecast
St Petersburg
Local time: 04:56
October 05, monday
0600

48°F
E
7 mph
7 mph
0900

50°F
E
6 mph
6 mph
1200

54°F
NE
8 mph
8 mph
1500

54°F
NE
6 mph
6 mph
1800

52°F
NE
8 mph
8 mph
2100

52°F
NE
9 mph
9 mph
October 06, tuesday
0000

52°F
N
11 mph
11 mph
0300

54°F
N
14 mph
14 mph



























