World Resorts USA Kailua Kona Weather

Kailua Kona Sea Temperature in August

Average sea water temperature in August:
+80.9°F
Minimum sea water temperature in August: 83.8°F
Maximum sea water temperature in August: 78.4°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 80.6°F.

Monthly sea water temperature in Kailua Kona, °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 Kailua Kona

Sunniest months:
January 22 days
December 20 days
February 19 days
Warmest months:
September 82.4 °F
August 82.1 °F
October 82.0 °F
Warmest sea temp:
September 81.3 °F
October 81.1 °F
August 80.9 °F
Coldest months:
January 76.9 °F
February 77.2 °F
March 77.9 °F
Rainiest months:
September 2 days
July 2 days
August 2 days
Windiest months:
May 6.8 mph
April 6.6 mph
June 6.4 mph

Kailua Kona on a weather map

Kailua Kona
+79°F
N 5 mph
Feels like: +84°F
Precip.: 11%
Places in USA:
Name
°F
+72°F
+73°F
+79°F
+90°F
+68°F
+81°F
+73°F
+75°F
+72°F
+72°F
+55°F
+68°F
+81°F
+75°F
+73°F
24 Hours Forecast
Kailua Kona
Local time: 21:47
August 11, tuesday
0000
79°F
NW
6 mph
0300
77°F
N
3 mph
0600
77°F
SE
2 mph
0900
79°F
SE
5 mph
1200
81°F
E
7 mph
1500
79°F
E
4 mph
1800
79°F
N
6 mph
2100
79°F
NW
6 mph
Units of measurement: °C / °F