December weather forecast
Waiʻanae, HI

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Weather in December

The ideal ocean temperature of 77.4°F (25.2°C) makes December in Waiʻanae, Hawaii, the best time for swimming and other water activities.

Ocean temperature

In Waiʻanae, the average seawater temperature in December is 77.4°F (25.2°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

December has the shortest days of the year, with an average of 10h and 54min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:01 pm HST.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How warm is the water in December in Waiʻanae?

In December, the average ocean temperature in Waiʻanae is 77.4°F (25.2°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Waiʻanae?

December has the shortest days of the year in Waiʻanae, Hawaii, with an average of 10h and 54min of daylight.

What is the average length of the day in December in Waiʻanae?

In December, the average day length is 10h and 51min.

When are sunrise and sunset in December in Waiʻanae?

On the first day of December in Waiʻanae, Hawaii, sunrise is at 6:54 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:01 pm HST.

Average sea temperature in December
Waiʻanae, HI

Average sea temperature in December - Waiʻanae, HI
  • Average sea temperature in December: 77.3°F

The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight in December
Waiʻanae, HI

Average daylight in December - Waiʻanae, HI
  • Average daylight in December: 10h and 5min

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).

Waiʻanae, Hawaii, USA

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