Weather in December
Ocean temperature
In December, the average ocean temperature in Punaluu, Hawaii, is 76.5°F (24.7°C).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 76.5°F (24.7°C) waters. For reference, Olympians swim in waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
December has the shortest days of the year, with an average of 10h and 48min of daylight.On the first day of December, 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 6:00 pm HST.
Updated: Aug 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in December in Punaluu?
In Punaluu, in December, the average water temperature is 76.5°F (24.7°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.5°F (24.7°C).
What is the month with the shortest days?
With an average of 10h and 48min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
In December, the average day length is 10h and 50min.
What time are sunrise and sunset in December?
In December, on the first day of the month, 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 6:00 pm HST.
Average sea temperature in December
Punaluu, HI
- Average sea temperature in December: 76.5°F
The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).
Average daylight in December
Punaluu, 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 48min).
Punaluu, Hawaii, USA
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