December weather forecast
Bainbridge Island, WA

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Weather in December

Ocean temperature

In December, the average ocean temperature in Bainbridge Island, Washington, is 46.6°F (8.1°C).
Note: You can swim in 46.6°F (8.1°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.

Daylight

December has the shortest days of the year, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 7:38 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:28 pm PST.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the ocean temperature in December?

In December, the average ocean temperature is 46.6°F (8.1°C). Swimming in 46.6°F (8.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days?

With an average of 8h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Bainbridge Island have in December?

In Bainbridge Island, the average day length in December is 8h and 30min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:38 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:28 pm PST.

Average sea temperature in December
Bainbridge Island, WA

Average sea temperature in December - Bainbridge Island, WA
  • Average sea temperature in December: 46.6°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

Average daylight in December
Bainbridge Island, WA

Average daylight in December - Bainbridge Island, WA
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

Bainbridge Island, Washington, USA

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