Current sea water temperature:
+65.3°F
| Minimum sea water temperature in January: | 72.0°F |
| Maximum sea water temperature in January: | 52.9°F |
| Average sea water temperature in January: | 63.5°F |
| more information | |
14 days
forecast
forecast
| St. Petersburg |
monthly
weather
weather
| St. Petersburg |
Sea water temperature for the last 10 days:
| January 15 | 65.3°F | January 10 | 66.7°F |
| January 14 | 65.8°F | January 9 | 66.0°F |
| January 13 | 66.6°F | January 8 | 66.2°F |
| January 12 | 67.8°F | January 7 | 66.2°F |
| January 11 | 68.9°F | January 6 | 65.5°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 September.
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 88.7°F. The highest and lowest sea temperatures during the month were 91.4°F and 86.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 87.0°F. The highest and lowest sea temperatures during the month were 89.6°F and 85.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 86.4°F and 81.9°F.
current
weather
weather
| St. Petersburg |
weather in
January
January
| St. Petersburg |
Best time for vacation in St. Petersburg
St. Petersburg on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Petersburg
Local time: 06:51
January 15, thursday
0900
57°F
S
21 mph
21 mph
1200
61°F
SE
23 mph
23 mph
1500
61°F
SE
30 mph
30 mph
1800
59°F
SE
20 mph
20 mph
2100
54°F
SE
22 mph
22 mph
January 16, friday
0000
50°F
S
17 mph
17 mph
0300
48°F
SW
14 mph
14 mph
0600
45°F
SW
13 mph
13 mph
