World Resorts USA St. Petersburg Weather

St. Petersburg Sea Temperature in May

Average sea water temperature in May:
+81.0°F
Minimum sea water temperature in May: 86.9°F
Maximum sea water temperature in May: 75.2°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 82.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 77.9°F.

Monthly sea water temperature in St. Petersburg, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Port St. Lucie 80.8°F 78.9°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
South Padre Island 79.1°F 80.0°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F

Best time for vacation in St. Petersburg

Sunniest months:
May 20 days
March 20 days
April 20 days
Warmest months:
July 88.0 °F
August 87.6 °F
June 86.5 °F
Warmest sea temp:
August 87.3 °F
July 87.3 °F
June 85.2 °F
Coldest months:
January 64.4 °F
February 68.4 °F
December 68.4 °F
Rainiest months:
August 4 days
July 4 days
September 4 days
Windiest months:
April 12.2 mph
November 12.1 mph
October 12.1 mph

St. Petersburg on a weather map

St. Petersburg
+79°F
W 9 mph
Feels like: +84°F
Precip.: 10%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
St. Petersburg
Local time: 06:12
September 19, saturday
0900
79°F
W
9 mph
1200
82°F
W
7 mph
1500
86°F
SE
2 mph
1800
88°F
SE
9 mph
2100
86°F
SW
9 mph
September 20, sunday
0000
84°F
W
11 mph
0300
81°F
W
11 mph
0600
81°F
W
10 mph
Units of measurement: °C / °F