World Resorts USA Honolulu Weather

Honolulu Sea Temperature in August

Average sea water temperature in August:
+80.4°F
Minimum sea water temperature in August: 83.7°F
Maximum sea water temperature in August: 77.7°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 81.0°F. The highest and lowest sea temperatures during the month were 81.5°F and 80.4°F.

Monthly sea water temperature in Honolulu, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.6°F 88.8°F
New Orleans 88.3°F 87.4°F
Naples 88.0°F 88.7°F
Houston 87.8°F 87.8°F
Miami 87.2°F 88.1°F
Miami Beach 87.0°F 87.9°F
Sarasota 86.9°F 88.6°F
Clearwater Beach 86.9°F 88.5°F
St. George Island 86.8°F 86.5°F
Tampa 86.8°F 88.6°F
Pensacola Beach 86.6°F 86.6°F
Panama City Beach 86.4°F 86.2°F
West Palm Beach 86.4°F 86.8°F
Hilton Head Island 86.3°F 85.0°F
Santa Rosa Beach 86.3°F 85.9°F
Edisto Beach 86.2°F 84.3°F
Destin 86.1°F 86.0°F
Tybee Island 86.1°F 84.5°F
Fort Walton Beach 85.9°F 86.0°F
Charleston (SC) 85.6°F 84.1°F

Best time for vacation in Honolulu

Sunniest months:
January 15 days
August 15 days
June 15 days
Warmest months:
August 83.4 °F
September 83.3 °F
July 82.4 °F
Warmest sea temp:
September 80.9 °F
October 80.8 °F
August 80.4 °F
Coldest months:
February 76.2 °F
March 76.4 °F
January 76.6 °F
Rainiest months:
February 3 days
March 3 days
April 2 days
Windiest months:
July 16.5 mph
August 15.4 mph
June 15.1 mph

Honolulu on a weather map

Honolulu
+79°F
SW 21 mph
Feels like: +82°F
Precip.: 5%
Places in USA:
Name
°F
+73°F
+77°F
+79°F
+109°F
+90°F
+82°F
+68°F
+77°F
+72°F
+79°F
+79°F
+77°F
+82°F
+73°F
24 Hours Forecast
Honolulu
Local time: 14:41
August 26, wednesday
1500
79°F
SW
21 mph
1800
77°F
SW
19 mph
2100
77°F
SW
23 mph
August 27, thursday
0000
77°F
SW
23 mph
0300
75°F
SW
21 mph
0600
77°F
SW
20 mph
0900
77°F
SW
20 mph
1200
79°F
SW
22 mph
Units of measurement: °C / °F