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:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.3°F and 79.7°F.

Monthly sea water temperature in Hawaii, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°F
Naples 88.7°F 87.0°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Pensacola Beach 86.6°F 87.4°F
St. George Island 86.5°F 86.8°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Fort Walton Beach 86.0°F 86.8°F
Santa Rosa Beach 85.9°F 86.8°F
Hilton Head Island 85.0°F 84.0°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 82.2 °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 15.8 mph
June 15.6 mph

Hawaii on a weather map

Hawaii
+77°F
SW 9 mph
Feels like: +81°F
Precip.: 21%
Places in USA:
Name
°F
+86°F
+93°F
+77°F
+99°F
+75°F
+90°F
+72°F
+90°F
+88°F
+77°F
+57°F
+72°F
+88°F
+97°F
+68°F
24 Hours Forecast
Hawaii
Local time: 06:45
August 06, thursday
0900
79°F
W
12 mph
1200
81°F
W
14 mph
1500
81°F
W
14 mph
1800
79°F
SW
16 mph
2100
77°F
SW
14 mph
August 07, friday
0000
77°F
SW
13 mph
0300
77°F
SW
14 mph
0600
77°F
SW
12 mph

Best place for vacation:

Units of measurement: °C / °F