World Resorts USA Hawaii Weather

Hawaii Sea Temperature in May

Average sea water temperature in May:
+77.5°F
Minimum sea water temperature in May: 79.5°F
Maximum sea water temperature in May: 75.4°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 77.9°F. The highest and lowest sea temperatures during the month were 78.6°F and 77.4°F.

Monthly sea water temperature in Hawaii, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.3°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
Marco Island 83.2°F 83.5°F
Hialeah 82.9°F 82.3°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
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F

Best time for vacation in Hawaii

Sunniest months:
January 15 days
August 15 days
June 14 days
Warmest months:
August 83.2 °F
September 82.9 °F
July 82.3 °F
Warmest sea temp:
September 80.7 °F
October 80.6 °F
August 80.2 °F
Coldest months:
February 76.0 °F
March 76.2 °F
January 76.5 °F
Rainiest months:
March 3 days
February 3 days
October 2 days
Windiest months:
July 17.0 mph
August 15.8 mph
June 15.7 mph

Hawaii on a weather map

Hawaii
+75°F
W 23 mph
Feels like: +79°F
Precip.: 13%
Places in USA:
Name
°F
+75°F
+75°F
+86°F
+63°F
+73°F
+79°F
+70°F
+70°F
+61°F
+57°F
+63°F
+73°F
+73°F
+77°F
+70°F
24 Hours Forecast
Hawaii
Local time: 19:42
June 05, friday
2100
75°F
W
23 mph
June 06, saturday
0000
73°F
W
24 mph
0300
73°F
SW
22 mph
0600
73°F
W
21 mph
0900
75°F
W
25 mph
1200
77°F
W
23 mph
1500
77°F
SW
23 mph
1800
75°F
SW
22 mph

Best place for vacation:

Units of measurement: °C / °F