World Resorts USA Honolulu Weather

Honolulu Sea Temperature in December

Average sea water temperature in December:
+77.8°F
Minimum sea water temperature in December: 80.6°F
Maximum sea water temperature in December: 75.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 79.2°F and 78.1°F.

Monthly sea water temperature in Honolulu, °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 79.1°F 78.4°F
Fort Lauderdale 78.8°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.3°F 76.0°F
Maui 78.1°F 77.8°F
Miami Beach 77.6°F 75.9°F
Oahu 77.2°F 77.2°F
Islamorada 76.7°F 73.4°F
Key Largo 76.5°F 73.1°F
Key West 76.1°F 72.6°F
Miami 75.9°F 73.0°F
Everglades 73.9°F 69.7°F
Marco Island 72.0°F 68.0°F
Naples 71.6°F 67.7°F
South Padre Island 71.5°F 71.9°F
Sanibel Island 71.0°F 67.1°F
Cocoa Beach 69.5°F 66.6°F
Siesta Key 69.4°F 65.6°F

Best time for vacation in Honolulu

Sunniest months:
January 16 days
June 16 days
August 15 days
Warmest months:
August 83.4 °F
September 83.3 °F
July 82.6 °F
Warmest sea temp:
September 80.9 °F
October 80.8 °F
August 80.4 °F
Coldest months:
February 76.4 °F
March 76.5 °F
January 76.7 °F
Rainiest months:
February 3 days
March 3 days
May 2 days
Windiest months:
July 16.4 mph
August 15.4 mph
June 15.0 mph

Honolulu on a weather map

Honolulu
+73°F
W 1 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+73°F
+73°F
+55°F
+61°F
+84°F
+75°F
+70°F
+28°F
+63°F
+54°F
+75°F
+75°F
+77°F
+41°F
24 Hours Forecast
Honolulu
Local time: 10:33
December 27, saturday
1200
75°F
NE
3 mph
1500
73°F
E
4 mph
1800
73°F
SE
3 mph
2100
73°F
SE
4 mph
December 28, sunday
0000
73°F
S
5 mph
0300
72°F
S
6 mph
0600
72°F
S
5 mph
0900
73°F
S
4 mph
Units of measurement: °C / °F