Current sea water temperature:
+67.3°F
| Minimum sea water temperature in August: | 74.5°F |
| Maximum sea water temperature in August: | 35.6°F |
| Average sea water temperature in August: | 63.7°F |
| more information | |
14 days
forecast
forecast
| St Petersburg |
monthly
weather
weather
| St Petersburg |
Sea water temperature for the last 10 days:
| August 5 | 67.3°F | July 31 | 66.7°F |
| August 4 | 67.5°F | July 30 | 67.1°F |
| August 3 | 67.8°F | July 29 | 67.6°F |
| August 2 | 69.1°F | July 28 | 67.8°F |
| August 1 | 67.5°F | July 27 | 68.5°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 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
August
August
| 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: 20:50
August 05, wednesday
2100
66°F
SW
3 mph
3 mph
August 06, thursday
0000
61°F
NW
2 mph
2 mph
0300
61°F
N
3 mph
3 mph
0600
61°F
N
4 mph
4 mph
0900
72°F
NE
6 mph
6 mph
1200
75°F
NE
6 mph
6 mph
1500
75°F
E
10 mph
10 mph
1800
70°F
E
10 mph
10 mph
