Weather in January
In Bainbridge Island, Washington, the average seawater temperature in January is 45.5°F (7.5°C). Note: While a brief time in 45.5°F (7.5°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state. 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: Unprotected swimming in 45.3°F (7.4°C) is dangerous due to potential cold shock. Weather in February »
Weather in March
In March, the average ocean temperature in Bainbridge Island, Washington, is 45.7°F (7.6°C). Note: You can swim in 45.7°F (7.6°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in March »
Weather in April
In Bainbridge Island, Washington, in April, the average water temperature is 45.9°F (7.7°C). Note: Danger awaits those who swim in 45.9°F (7.7°C) without protection. Weather in April »
Weather in May
In Bainbridge Island, Washington, in May, the average water temperature is 46.6°F (8.1°C). Note: Navigating the 46.6°F (8.1°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in May »
Weather in June
In June, the average ocean temperature in Bainbridge Island, Washington, is 47.7°F (8.7°C). Note: Navigating the 47.7°F (8.7°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in June »
Weather in July
In Bainbridge Island, Washington, in July, the average water temperature is 50.5°F (10.3°C). Note: Being in 50.5°F (10.3°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance. Weather in July »
Weather in August
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: Being in 53.2°F (11.8°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance. Weather in August »
Weather in September
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: Beware of 53.2°F (11.8°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health. Weather in September »
Weather in October
In October, the average ocean temperature in Bainbridge Island, Washington, is 50.9°F (10.5°C). Note: Being in 50.9°F (10.5°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance. Weather in October »
Weather in November
In Bainbridge Island, Washington, the average seawater temperature in November is 48.6°F (9.2°C). Note: Dipping into 48.6°F (9.2°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in November »
Weather in December
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. Weather in December »
Updated: Jun 10, 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
When is the ocean coldest?
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)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?
June has the longest days of the year, with an average of 15h and 54min of daylight.
When is the ocean warmest in Bainbridge Island?
August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater in Bainbridge Island.
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
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
Bainbridge Island, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - 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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