Late summer · Weather & things to do
Bainbridge Island in August
Bainbridge Island's warmest month brings highs averaging 75°F (24°C), lows of 57°F (14°C) and about 1.1 in (29 mm) of rain.
At 90/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 75°F (24°C)
- Avg low
- 57°F (14°C)
- Rain
- 1.1 in (29 mm)
- Humidity
- 76%
- Cloud cover
- 48%
- Daylight
- ~14 h 05 min
- Comfort score
- 90/100 · Great
What August feels like
Days are warm, averaging 75°F (24°C), easy weather for being outside from morning to evening.
Nights cool to an average low of 57°F (14°C).
Rain is scarce: about 1.1 in (29 mm) for the whole month.
Plan around August
August is one of Bainbridge Island's best months on the climate data.
- Last warm month for a while: September highs fall to 69°F.
- Comfort holds steady from July (89 → 90/100).
- August sits inside the May – Sep window our Puget Sound Islands route recommends.
What to pack for August
- Light, breathable clothes75°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Comfortable walking shoesmost picks involve some walking
What to do in Bainbridge Island in August
August is good outdoor weather here, so these picks lean toward the open air.
Bloedel Reserve
150-acre gardens and forest, including a Japanese garden and moss garden.
Why now Our curated notes say it's best spring–fall.
Waterfront Park
Shoreline park on Eagle Harbor with a trail toward the ferry.
Why now August scores 90/100 for comfort, good conditions for being outside.
Seattle–Bainbridge ferry
35-minute ride across Elliott Bay with views of the skyline and Mount Rainier.
Bainbridge Island Museum of Art
Free museum of Puget Sound contemporary art steps from the ferry.
Bainbridge Island Japanese American Exclusion Memorial
Memorial at the dock where 227 Japanese American residents were forced out in 1942.
Nearby in August
- Seattle in August~9 mi · highs 75°F, 1.1 in rain · similar daytime temperatures, about as wet
- Olympic NP in August~52 mi · highs 59°F, 1.7 in rain · 9°C (16°F) cooler by day, about as wet
- Snoqualmie Pass in August~54 mi · highs 69°F, 1.5 in rain · 3°C (6°F) cooler by day, about as wet
- San Juan Island in August~67 mi · highs 70°F, 1.1 in rain · 3°C (5°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Bainbridge Island in August: quick answers
Is August a good time to visit Bainbridge Island?
Yes. On the climate data it's one of the best months, scoring 90/100. Expect highs of 75°F (24°C) and 1.1 in (29 mm) of rain. August is inside the May – Sep window our Puget Sound Islands route recommends.
How hot is Bainbridge Island in August?
Average highs are 75°F (24°C) and average lows 57°F (14°C), making it the warmest month by daytime highs.
Does it rain a lot in Bainbridge Island in August?
Not much: about 1.1 in (29 mm) of rain falls across August on average, the 2nd-driest month of the year. The annual total is about 48.4 in (1230 mm).
What should I pack for Bainbridge Island in August?
Bring light, breathable clothes (75°F afternoons), sunscreen, sunglasses and a hat (strong sun this month) and comfortable walking shoes (most picks involve some walking).
More on Bainbridge Island
Routes in season in August
- Puget Sound Islands May – Sep
Planning Bainbridge Island in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.