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Best time to visit · Washington, United States
June – September are the best time to visit Bainbridge Island on the climate data: August scores 90/100, with highs around 75°F (24°C) and 1.1 in (29 mm) of rain. May is a good shoulder-season month. The toughest months are December & January, mainly because of cool days.
Highs run from 44°F to 75°F across the year, and the yearly total is about 48.4 in (1230 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 46°F8°C | 47°F9°C | 52°F11°C | 57°F14°C | 64°F18°C | 69°F20°C | 75°F24°C | 75°F24°C | 69°F21°C | 59°F15°C | 50°F10°C | 44°F7°C |
| Avg low | 36°F2°C | 35°F2°C | 38°F3°C | 41°F5°C | 47°F9°C | 52°F11°C | 56°F14°C | 57°F14°C | 52°F11°C | 45°F7°C | 39°F4°C | 35°F2°C |
| Rain | 6.9 in174 mm | 4.3 in108 mm | 5.4 in138 mm | 3.7 in95 mm | 2.8 in70 mm | 2.0 in51 mm | 0.7 in19 mm | 1.1 in29 mm | 2.3 in58 mm | 4.9 in125 mm | 7.4 in188 mm | 6.9 in175 mm |
| Humidity | 90% | 87% | 85% | 82% | 80% | 80% | 77% | 76% | 78% | 84% | 89% | 90% |
| Cloud | 80% | 74% | 79% | 75% | 70% | 68% | 47% | 48% | 53% | 68% | 77% | 79% |
| Comfort | 36 | 49 | 51 | 66 | 83 | 86 | 89 | 90 | 90 | 69 | 43 | 34 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 110 m (361 ft), close to Bainbridge Island's own ~30 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 44–47°F (7–9°C) and lows down to 35°F (2°C). It's the wettest season, with about 18.0 in (457 mm) of rain, 37% of the year's total. It holds the toughest stretch on our comfort score (December & January), averaging 40/100.
Temperatures climb through the season, from 52°F highs in March to 64°F by May. About 11.9 in (303 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 38°F (3°C). May score well without being the very best (season average 67/100).
The warmest stretch of the year, with highs of 69–75°F (20–24°C). It's the driest season, with only about 3.9 in (99 mm) of rain, 8% of the year's total. Lows bottom out around 52°F (11°C). Comfort peaks here: June – August rank with the year's best, and the season averages 88/100.
Temperatures slide from 69°F highs in September to 50°F by November. About 14.6 in (371 mm) of rain falls across these months, 30% of the year's total. Lows bottom out around 39°F (4°C). September is among the best-scoring months (season average 67/100).
By comfort score: 5 Great, 2 Good, 2 Fair and 3 Tough. Great months: May – September. Tap a month for its own guide.
June – September are the best time to visit Bainbridge Island on the climate data: August scores 90/100, with highs around 75°F (24°C) and 1.1 in (29 mm) of rain. May is a good shoulder-season month. The toughest months are December & January, mainly because of cool days.
November is the wettest month, averaging about 7.4 in (188 mm) of rain. July is the driest, with about 0.7 in (19 mm). The yearly total is around 48.4 in (1230 mm).
February is the coldest, with average lows of 35°F (2°C) and highs of 47°F (9°C). The warmest is August, with average highs of 75°F (24°C).
Not very: summer (June – August) humidity averages 78%, and highs peak around 75°F (24°C), so it rarely feels sticky.
Not on average: even in February, the coldest month, lows average 35°F (2°C). Individual cold snaps can still dip lower.
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