Current sea water temperature:
+45.3°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: | 45.7°F |
| more information | |
14 days
forecast
forecast
| St Petersburg |
monthly
weather
weather
| St Petersburg |
Sea water temperature for the last 10 days:
| October 24 | 45.3°F | October 19 | 46.8°F |
| October 23 | 44.6°F | October 18 | 47.8°F |
| October 22 | 43.0°F | October 17 | 48.6°F |
| October 21 | 43.7°F | October 16 | 48.0°F |
| October 20 | 46.2°F | October 15 | 49.8°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: 07:35
October 25, sunday
0900
48°F
N
11 mph
11 mph
1200
50°F
N
11 mph
11 mph
1500
52°F
N
11 mph
11 mph
1800
52°F
NW
11 mph
11 mph
2100
52°F
NW
13 mph
13 mph
October 26, monday
0000
52°F
N
13 mph
13 mph
0300
52°F
N
14 mph
14 mph
0600
50°F
N
14 mph
14 mph
