Climate and monthly weather forecast
Bainbridge Island, WA

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Weather in January

In Bainbridge Island, Washington, the average seawater temperature in January is 45.5°F (7.5°C). Note: Swimming in 45.5°F (7.5°C) poses a severe threat. Weather in January »

Weather in February

With an average ocean temperature of 45.3°F (7.4°C), February is the month with the coldest seawater in Bainbridge Island, Washington. Note: Swimming in 45.3°F (7.4°C) is considered dangerous. Weather in February »

Weather in March

In March, the average ocean temperature in Bainbridge Island, Washington, is 45.7°F (7.6°C). Note: With the appropriate swimsuit, one can swim in 45.7°F (7.6°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. Weather in March »

Weather in April

In Bainbridge Island, Washington, in April, the average water temperature is 45.9°F (7.7°C). Note: Beware when you're in 45.9°F (7.7°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in April »

Weather in May

In Bainbridge Island, Washington, in May, the average water temperature is 46.6°F (8.1°C). Note: Without suitable protection, venturing into 46.6°F (8.1°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths. Weather in May »

Weather in June

In Bainbridge Island, Washington, the average seawater temperature in June is 47.7°F (8.7°C). Note: In 47.7°F (8.7°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C). Weather in June »

Weather in July

In July, the average ocean temperature in Bainbridge Island, Washington, is 50.5°F (10.3°C). Note: Danger awaits those who swim in 50.5°F (10.3°C) without protection. Weather in July »

Weather in August

August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater in Bainbridge Island, Washington. Note: Staying in 53.2°F (11.8°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance. Weather in August »

Weather in September

The months with the warmest seawater in Bainbridge Island, Washington, are August and September, with an average ocean temperature of 53.2°F (11.8°C). Note: If planning to swim in 53.2°F (11.8°C) under 50°F (10°C), wear a protective suit. Weather in September »

Weather in October

In Bainbridge Island, Washington, in October, the average water temperature is 50.9°F (10.5°C). Note: Staying in 50.9°F (10.5°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance. Weather in October »

Weather in November

In November, the average ocean temperature in Bainbridge Island, Washington, is 48.6°F (9.2°C). Note: One needs to be cautious in 48.6°F (9.2°C) waters. Weather in November »

Weather in December

In Bainbridge Island, Washington, the average seawater temperature in December is 46.6°F (8.1°C). Note: If planning to swim in 46.6°F (8.1°C) under 50°F (10°C), wear a protective suit. Weather in December »
Updated: Feb 14, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the month with the coldest ocean in Bainbridge Island?

February is the month with the coldest seawater, with an average ocean temperature of 45.3°F (7.4°C).

When is Daylight Saving Time (DST) in Bainbridge Island?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bainbridge Island, Washington, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Bainbridge Island?

The month with the longest days in Bainbridge Island, Washington, is June, with an average of 15h and 54min of daylight.

What months are the ocean warmest in Bainbridge Island?

The months with the warmest seawater in Bainbridge Island are August and September, with an average ocean temperature of 53.2°F (11.8°C).

What is the month with the shortest days in Bainbridge Island?

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

Average sea temperature
Bainbridge Island, WA

Average sea temperature - Bainbridge Island, WA

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).

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Average daylight
Bainbridge Island, WA

Average daylight - Bainbridge Island, WA

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).

[Resources]

Bainbridge Island, Washington, USA

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