Average sea water temperature in May:
+80.8°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 80.3°F. The highest and lowest sea temperatures during the month were 82.8°F and 77.9°F.
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Monthly sea water temperature in St. Petersburg, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Everglades | 84.8°F | 84.5°F |
| Key Largo | 84.1°F | 83.5°F |
| Key West | 84.0°F | 83.5°F |
| Miami | 82.9°F | 82.6°F |
| Cape Coral | 82.6°F | 83.4°F |
| Hialeah | 82.4°F | 82.3°F |
| Marco Island | 82.1°F | 83.5°F |
| Miami Beach | 82.1°F | 82.4°F |
| Naples | 81.9°F | 83.5°F |
| Fort Lauderdale | 80.9°F | 81.1°F |
| West Palm Beach | 80.9°F | 81.1°F |
| Tampa | 80.4°F | 82.7°F |
| St. Petersburg | 80.3°F | 82.6°F |
| Sarasota | 80.0°F | 82.7°F |
| Siesta Key | 79.8°F | 82.5°F |
| Clearwater Beach | 79.8°F | 82.6°F |
| Cocoa Beach | 78.7°F | 79.4°F |
| Corpus Christi | 78.4°F | 80.9°F |
| Hilo | 78.1°F | 77.7°F |
| Honolulu | 78.0°F | 78.1°F |
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: 18:45
May 16, saturday
2100
77°F
E
4 mph
4 mph
May 17, sunday
0000
73°F
NW
1 mph
1 mph
0300
72°F
NW
8 mph
8 mph
0600
73°F
NW
11 mph
11 mph
0900
79°F
NW
13 mph
13 mph
1200
84°F
NW
4 mph
4 mph
1500
84°F
NE
14 mph
14 mph
1800
82°F
SE
7 mph
7 mph
