World Resorts USA Kailua Kona Weather

Kailua Kona Sea Temperature in May

Average sea water temperature in May:
+78.4°F
Minimum sea water temperature in May: 80.8°F
Maximum sea water temperature in May: 76.1°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 79.4°F. The highest and lowest sea temperatures during the month were 80.1°F and 78.6°F.

Monthly sea water temperature in Kailua Kona, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°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
Corpus Christi 79.5°F 80.9°F
Kailua Kona 79.4°F 79.1°F
South Padre Island 79.1°F 80.0°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F

Best time for vacation in Kailua Kona

Sunniest months:
January 22 days
December 20 days
February 19 days
Warmest months:
September 82.2 °F
July 82.0 °F
August 81.9 °F
Warmest sea temp:
September 81.4 °F
October 81.2 °F
August 81.0 °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
+73°F
NW 1 mph
Feels like: +77°F
Precip.: 20%
Places in USA:
Name
°F
+63°F
+63°F
+75°F
+50°F
+64°F
+82°F
+68°F
+63°F
+68°F
+55°F
+64°F
+79°F
+77°F
+68°F
+63°F
24 Hours Forecast
Kailua Kona
Local time: 03:54
November 04, wednesday
0600
73°F
NW
3 mph
0900
77°F
NE
3 mph
1200
81°F
E
6 mph
1500
81°F
E
5 mph
1800
77°F
NE
4 mph
2100
77°F
N
6 mph
November 05, thursday
0000
75°F
N
6 mph
0300
75°F
SW
1 mph
Units of measurement: °C / °F