World Resorts USA St. Petersburg Weather

St. Petersburg Sea Temperature in August

Average sea water temperature in August:
+87.5°F
Minimum sea water temperature in August: 91.4°F
Maximum sea water temperature in August: 83.8°F

Daily 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.

Monthly sea water temperature in St. Petersburg, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Everglades 88.8°F 87.0°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F

Best time for vacation in St. Petersburg

Sunniest months:
March 20 days
May 19 days
April 19 days
Warmest months:
July 87.5 °F
August 87.4 °F
June 85.6 °F
Warmest sea temp:
August 87.5 °F
July 87.2 °F
September 85.1 °F
Coldest months:
January 64.4 °F
February 68.4 °F
December 68.4 °F
Rainiest months:
July 4 days
September 4 days
August 3 days
Windiest months:
April 12.3 mph
November 12.1 mph
October 12.1 mph

St. Petersburg on a weather map

St. Petersburg
+72°F
SW 9 mph
Feels like: +72°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+72°F
+72°F
+61°F
+57°F
+75°F
+75°F
+64°F
+39°F
+59°F
+50°F
+72°F
+72°F
+57°F
+43°F
24 Hours Forecast
St. Petersburg
Local time: 09:06
April 06, monday
1200
84°F
SW
6 mph
1500
86°F
SE
10 mph
1800
79°F
S
24 mph
2100
72°F
SW
24 mph
April 07, tuesday
0000
68°F
SW
21 mph
0300
70°F
SW
19 mph
0600
68°F
SW
18 mph
0900
68°F
SW
18 mph
Units of measurement: °C / °F