World Resorts USA Hawaii Weather

Hawaii Sea Temperature in August

Average sea water temperature in August:
+80.2°F
Minimum sea water temperature in August: 83.5°F
Maximum sea water temperature in August: 77.5°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 80.8°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.2°F.

Monthly sea water temperature in Hawaii, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.8°F 88.8°F
Naples 88.1°F 88.7°F
New Orleans 88.0°F 87.4°F
Houston 87.8°F 87.8°F
Miami 87.3°F 88.1°F
Miami Beach 87.1°F 87.9°F
Sarasota 87.1°F 88.6°F
Siesta Key 87.1°F 88.6°F
Pensacola 86.9°F 86.5°F
Clearwater Beach 86.8°F 88.5°F
Tampa 86.8°F 88.6°F
Fort Lauderdale 86.8°F 87.2°F
St. George Island 86.7°F 86.5°F
Corpus Christi 86.5°F 87.0°F
West Palm Beach 86.4°F 86.8°F
Pensacola Beach 86.4°F 86.6°F
Orange Beach 86.3°F 86.5°F
Panama City Beach 86.3°F 86.2°F
Hilton Head Island 86.2°F 85.0°F
Santa Rosa Beach 86.2°F 85.9°F

Best time for vacation in Hawaii

Sunniest months:
January 15 days
August 14 days
June 14 days
Warmest months:
August 83.0 °F
September 82.9 °F
July 82.2 °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 17.1 mph
August 16.0 mph
June 15.6 mph

Hawaii on a weather map

Hawaii
+79°F
SW 22 mph
Feels like: +84°F
Precip.: 27%
Places in USA:
Name
°F
+64°F
+70°F
+79°F
+82°F
+70°F
+82°F
+66°F
+72°F
+70°F
+61°F
+66°F
+75°F
+82°F
+66°F
24 Hours Forecast
Hawaii
Local time: 21:08
September 17, thursday
0000
79°F
SW
21 mph
0300
79°F
SW
19 mph
0600
77°F
SW
19 mph
0900
79°F
SW
20 mph
1200
79°F
SW
24 mph
1500
79°F
SW
24 mph
1800
79°F
SW
21 mph
2100
79°F
SW
21 mph

Best place for vacation:

Units of measurement: °C / °F