Current sea water temperature:
+61.2°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 25 | 61.2°F | August 20 | 62.6°F |
| August 24 | 61.3°F | August 19 | 63.3°F |
| August 23 | 62.1°F | August 18 | 63.1°F |
| August 22 | 61.5°F | August 17 | 62.2°F |
| August 21 | 61.0°F | August 16 | 62.2°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 64.6°F. The highest and lowest sea temperatures during the month were 69.1°F and 61.0°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: 23:44
August 26, wednesday
0000
52°F
S
5 mph
5 mph
0300
50°F
S
4 mph
4 mph
0600
48°F
SE
3 mph
3 mph
0900
59°F
S
4 mph
4 mph
1200
66°F
S
6 mph
6 mph
1500
68°F
E
8 mph
8 mph
1800
63°F
E
6 mph
6 mph
2100
57°F
SE
4 mph
4 mph
