World Resorts USA Hawaii Weather

Hawaii Sea Temperature in December

Average sea water temperature in December:
+77.7°F
Minimum sea water temperature in December: 80.2°F
Maximum sea water temperature in December: 74.8°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 79.0°F and 77.9°F.

Monthly sea water temperature in Hawaii, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°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 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.4°F 73.4°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°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 82.3 °F
Warmest sea temp:
September 80.7 °F
October 80.6 °F
August 80.2 °F
Coldest months:
February 76.2 °F
March 76.3 °F
January 76.6 °F
Rainiest months:
February 3 days
March 2 days
October 2 days
Windiest months:
July 17.0 mph
August 15.8 mph
June 15.7 mph

Hawaii on a weather map

Hawaii
+72°F
SW 19 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+48°F
+55°F
+46°F
+59°F
+66°F
+19°F
+61°F
+54°F
+46°F
+48°F
+63°F
+14°F
24 Hours Forecast
Hawaii
Local time: 01:02
January 02, friday
0300
72°F
SW
22 mph
0600
73°F
SW
21 mph
0900
73°F
W
21 mph
1200
73°F
W
22 mph
1500
73°F
W
22 mph
1800
72°F
W
19 mph
2100
72°F
W
15 mph
January 03, saturday
0000
72°F
W
14 mph

Best place for vacation:

Units of measurement: °C / °F