World Resorts USA Hilo Weather

Hilo Sea Temperature in December

Average sea water temperature in December:
+77.5°F
Minimum sea water temperature in December: 79.5°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 78.1°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.5°F.

Monthly sea water temperature in Hilo, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
West Palm Beach 79.1°F 78.4°F
Fort Lauderdale 78.9°F 77.6°F
Honolulu 78.7°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.3°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.7°F 75.9°F
Oahu 77.2°F 77.2°F
Islamorada 76.9°F 73.4°F
Key Largo 76.7°F 73.1°F
Key West 76.3°F 72.6°F
Miami 76.0°F 73.0°F
Everglades 74.1°F 69.7°F
Marco Island 72.1°F 68.0°F
Naples 71.6°F 67.7°F
Cape Coral 71.4°F 67.8°F
South Padre Island 71.4°F 71.9°F
Sanibel Island 71.1°F 67.1°F
Cocoa Beach 69.5°F 66.6°F

Best time for vacation in Hilo

Sunniest months:
January 18 days
October 15 days
December 14 days
Warmest months:
September 78.1 °F
August 78.0 °F
October 77.9 °F
Warmest sea temp:
September 80.4 °F
October 80.0 °F
August 79.8 °F
Coldest months:
March 73.2 °F
April 73.3 °F
February 73.5 °F
Rainiest months:
March 6 days
November 5 days
February 5 days
Windiest months:
March 8.5 mph
April 8.5 mph
August 8.2 mph

Hilo on a weather map

Hilo
+68°F
E 2 mph
Feels like: +68°F
Precip.: 77%
Places in USA:
Name
°F
+32°F
+73°F
+73°F
+50°F
+59°F
+66°F
+72°F
+66°F
+21°F
+57°F
+48°F
+61°F
+59°F
+68°F
+39°F
24 Hours Forecast
Hilo
Local time: 21:12
December 26, friday
0000
66°F
E
3 mph
0300
66°F
E
2 mph
0600
68°F
NW
2 mph
0900
70°F
NW
2 mph
1200
72°F
NW
8 mph
1500
73°F
W
11 mph
1800
70°F
NW
6 mph
2100
68°F
NW
4 mph
Units of measurement: °C / °F