August weather in Bainbridge Island, WA
The average temperature in Bainbridge Island in August is 66.2°F (55.1°F–77.3°F). Average precipitation: 1.09 inches.
August is a summer month in Bainbridge Island, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 5m. For travel, August is one of the best months of the year to visit.
Avg High
77.3°F
Avg Low
55.1°F
Precipitation
1.09 in
Daylight
14h 5m
August records in Bainbridge Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1965) | 46.0°F (1901) | 0.46 in (1985) |
| August 2 | 91.9°F (2015) | 46.9°F (1903) | 0.42 in (1956) |
| August 3 | 91.0°F (2009) | 46.0°F (1901) | 0.98 in (1996) |
| August 4 | 93.0°F (2017) | 39.0°F (1994) | 0.49 in (1933) |
| August 5 | 96.1°F (1993) | 42.1°F (1903) | 0.58 in (1999) |
| August 6 | 96.1°F (1993) | 48.0°F (1975) | 0.40 in (1943) |
| August 7 | 91.9°F (2017) | 41.0°F (1903) | 1.27 in (1995) |
| August 8 | 91.9°F (1972) | 43.0°F (1903) | 0.49 in (1962) |
| August 9 | 97.0°F (1960) | 43.0°F (1903) | 0.50 in (1918) |
| August 10 | 100.9°F (1981) | 42.1°F (1903) | 0.80 in (1991) |
| August 11 | 99.0°F (1981) | 41.0°F (2004) | 0.32 in (1922) |
| August 12 | 96.1°F (1981) | 46.0°F (1899) | 0.31 in (1965) |
| August 13 | 96.1°F (1977) | 35.1°F (2017) | 0.75 in (2014) |
| August 14 | 91.0°F (1901) | 39.9°F (1955) | 0.44 in (1899) |
| August 15 | 93.0°F (1901) | 46.9°F (1960) | 1.00 in (2025) |
| August 16 | 95.0°F (2023) | 46.0°F (1903) | 1.15 in (1976) |
| August 17 | 100.9°F (2020) | 45.0°F (1903) | 0.47 in (1995) |
| August 18 | 96.1°F (1977) | 45.0°F (1903) | 1.02 in (1975) |
| August 19 | 91.0°F (2012) | 46.0°F (1903) | 0.58 in (1975) |
| August 20 | 93.0°F (2016) | 44.1°F (1903) | 0.80 in (2008) |
| August 21 | 91.0°F (2016) | 46.0°F (1901) | 1.45 in (1923) |
| August 22 | 89.1°F (1958) | 45.0°F (1973) | 1.83 in (2004) |
| August 23 | 89.1°F (1901) | 46.0°F (1955) | 1.41 in (2001) |
| August 24 | 91.0°F (2025) | 45.0°F (1902) | 0.83 in (1977) |
| August 25 | 91.9°F (2025) | 43.0°F (1902) | 1.20 in (1977) |
| August 26 | 91.9°F (2022) | 45.0°F (1902) | 0.51 in (1926) |
| August 27 | 91.9°F (2022) | 46.0°F (1954) | 0.49 in (1953) |
| August 28 | 89.1°F (1986) | 44.1°F (1899) | 0.62 in (1951) |
| August 29 | 93.9°F (1967) | 41.0°F (1902) | 0.82 in (1991) |
| August 30 | 91.9°F (1996) | 45.0°F (1902) | 1.46 in (2015) |
| August 31 | 91.0°F (2022) | 42.1°F (2013) | 0.47 in (1985) |