World Resorts USA Kailua Kona Weather

Kailua Kona Sea Temperature in December

Average sea water temperature in December:
+78.5°F
Minimum sea water temperature in December: 80.8°F
Maximum sea water temperature in December: 75.6°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 79.3°F. The highest and lowest sea temperatures during the month were 79.9°F and 78.6°F.

Monthly sea water temperature in Kailua Kona, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.3°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.1°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.5°F 73.4°F
Key Largo 76.4°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.6°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.9°F 68.0°F
South Padre Island 71.7°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 71.0°F 67.1°F
Cocoa Beach 69.6°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Kailua Kona

Sunniest months:
January 23 days
February 20 days
December 20 days
Warmest months:
September 82.4 °F
August 82.1 °F
July 82.1 °F
Warmest sea temp:
September 81.3 °F
October 81.1 °F
August 80.9 °F
Coldest months:
January 77.1 °F
February 77.4 °F
March 78.0 °F
Rainiest months:
September 2 days
July 2 days
August 2 days
Windiest months:
May 7.0 mph
April 6.8 mph
June 6.5 mph

Kailua Kona on a weather map

Kailua Kona
+73°F
E 3 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+63°F
+64°F
+73°F
+75°F
+68°F
+30°F
+79°F
+52°F
+64°F
+59°F
+55°F
+19°F
24 Hours Forecast
Kailua Kona
Local time: 10:07
December 30, tuesday
1200
77°F
SE
9 mph
1500
77°F
SE
5 mph
1800
73°F
N
10 mph
2100
73°F
N
4 mph
December 31, wednesday
0000
73°F
S
8 mph
0300
72°F
S
9 mph
0600
72°F
SW
3 mph
0900
73°F
N
8 mph
Units of measurement: °C / °F