December weather forecastHickam Field, HI

December

Weather in December

The ideal ocean temperature of 77°F (25°C) makes December in Hickam Field, Hawaii, the best time for swimming and other water activities.

Ocean temperature

In December, the average ocean temperature is 77°F (25°C).
Note: Swimming, diving, and other water-related activities in temperatures between 77°F (25°C) and 84.2°F (29°C) are considered highly enjoyable and satisfying for longer durations without uneasiness.

Daylight

With an average of 10h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of December, sunrise is at 7:09 am and sunset at 6:01 pm HST.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Hickam Field, Hawaii, the average seawater temperature in December is 77°F (25°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

The month with the shortest days is December, with an average of 10h and 54min of daylight.

The average day length in December is 10h and 52min.

On the first day of December in Hickam Field, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:01 pm HST.
Average sea temperature

Average sea temperature in December
Hickam Field, HI

  • Average sea temperature in December: 77°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight in December
Hickam Field, HI

  • Average daylight in December: 10h and 54min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).