World Resorts USA St. George Island Weather

St. George Island Sea Temperature in May

Average sea water temperature in May:
+77.6°F
Minimum sea water temperature in May: 84.0°F
Maximum sea water temperature in May: 72.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 80.4°F and 73.0°F.

Monthly sea water temperature in St. George Island, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.2°F 83.5°F
Key Largo 84.1°F 83.5°F
Miami 83.2°F 82.6°F
Hialeah 82.8°F 82.3°F
Cape Coral 82.7°F 83.4°F
Marco Island 82.6°F 83.5°F
Miami Beach 82.4°F 82.4°F
Naples 82.4°F 83.5°F
West Palm Beach 81.3°F 81.1°F
Fort Lauderdale 81.3°F 81.1°F
St. Petersburg 81.0°F 82.6°F
Tampa 81.0°F 82.7°F
Sarasota 80.7°F 82.7°F
Clearwater Beach 80.5°F 82.6°F
Siesta Key 80.4°F 82.5°F
Cocoa Beach 79.7°F 79.4°F
Corpus Christi 79.0°F 80.9°F
Honolulu 78.1°F 78.1°F
Hawaii 78.0°F 78.0°F

Best time for vacation in St. George Island

Sunniest months:
October 20 days
March 16 days
April 16 days
Warmest months:
July 86.8 °F
August 86.6 °F
June 84.8 °F
Warmest sea temp:
August 86.5 °F
July 85.5 °F
September 83.8 °F
Coldest months:
January 58.9 °F
December 62.5 °F
February 63.0 °F
Rainiest months:
August 5 days
July 4 days
September 3 days
Windiest months:
January 9.4 mph
November 8.9 mph
March 8.9 mph

St. George Island on a weather map

St. George Island
+81°F
N 10 mph
Feels like: +88°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+75°F
+75°F
+100°F
+72°F
+84°F
+84°F
+70°F
+57°F
+70°F
+64°F
+86°F
+82°F
+75°F
+55°F
24 Hours Forecast
St. George Island
Local time: 19:00
May 23, saturday
2100
77°F
N
6 mph
May 24, sunday
0000
77°F
NE
4 mph
0300
77°F
NW
5 mph
0600
75°F
NW
4 mph
0900
81°F
NW
7 mph
1200
84°F
NW
11 mph
1500
86°F
N
11 mph
1800
84°F
N
11 mph
Units of measurement: °C / °F