Current sea water temperature:
+68.5°F
| Minimum sea water temperature in July: | 76.8°F |
| Maximum sea water temperature in July: | 27.5°F |
| Average sea water temperature in July: | 63.2°F |
| more information | |
14 days
forecast
forecast
| St Petersburg |
monthly
weather
weather
| St Petersburg |
Sea water temperature for the last 10 days:
| July 16 | 68.5°F | July 11 | 65.3°F |
| July 15 | 68.2°F | July 10 | 64.8°F |
| July 14 | 67.1°F | July 9 | 65.1°F |
| July 13 | 69.1°F | July 8 | 64.8°F |
| July 12 | 65.8°F | July 7 | 65.1°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.1°F. The highest and lowest sea temperatures during the month were 72.0°F and 59.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 65.6°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
July
July
| 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: 16:39
July 16, thursday
1800
68°F
SW
7 mph
7 mph
2100
59°F
W
2 mph
2 mph
July 17, friday
0000
54°F
N
1 mph
1 mph
0300
52°F
N
3 mph
3 mph
0600
54°F
N
4 mph
4 mph
0900
64°F
N
5 mph
5 mph
1200
72°F
N
6 mph
6 mph
1500
77°F
NE
6 mph
6 mph
