August weather in Washington, IN
The average temperature in Washington in August is 75.7°F (65.1°F–86.3°F). Average precipitation: 3.17 inches.
August is a summer month in Washington, and is warmer than the annual average of 56.3°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 31m. For travel, August is a comfortable month to visit.
Avg High
86.3°F
Avg Low
65.1°F
Precipitation
3.17 in
Daylight
13h 31m
August records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1953) | 53.1°F (1925) | 1.48 in (1987) |
| August 2 | 104.0°F (1930) | 46.9°F (1999) | 1.63 in (1954) |
| August 3 | 104.0°F (1930) | 48.0°F (1965) | 2.85 in (1927) |
| August 4 | 100.9°F (1899) | 48.9°F (1912) | 3.07 in (1960) |
| August 5 | 105.1°F (1918) | 46.9°F (1993) | 2.42 in (1995) |
| August 6 | 105.1°F (1930) | 51.1°F (1994) | 1.65 in (2015) |
| August 7 | 108.0°F (1930) | 51.1°F (1990) | 3.21 in (1965) |
| August 8 | 107.1°F (1930) | 51.1°F (1989) | 2.30 in (2000) |
| August 9 | 108.0°F (1930) | 53.1°F (1989) | 3.80 in (1899) |
| August 10 | 104.0°F (1911) | 54.0°F (1972) | 1.87 in (1915) |
| August 11 | 102.0°F (1941) | 53.1°F (1967) | 3.01 in (1934) |
| August 12 | 100.9°F (1918) | 48.9°F (2004) | 2.40 in (1977) |
| August 13 | 100.0°F (1943) | 46.0°F (1964) | 2.18 in (2016) |
| August 14 | 99.0°F (1918) | 46.9°F (2004) | 1.70 in (2016) |
| August 15 | 102.9°F (1913) | 48.0°F (2013) | 2.23 in (1945) |
| August 16 | 99.0°F (1988) | 48.9°F (2004) | 1.47 in (1923) |
| August 17 | 102.9°F (1936) | 46.0°F (1999) | 2.07 in (1907) |
| August 18 | 107.1°F (1936) | 48.9°F (1963) | 1.40 in (1902) |
| August 19 | 107.1°F (1936) | 52.0°F (1932) | 1.90 in (1901) |
| August 20 | 105.1°F (1936) | 52.0°F (1897) | 2.18 in (1915) |
| August 21 | 105.1°F (1936) | 50.0°F (2024) | 3.61 in (1923) |
| August 22 | 104.0°F (1936) | 48.9°F (2024) | 1.81 in (1917) |
| August 23 | 100.0°F (1936) | 48.0°F (1923) | 2.24 in (1989) |
| August 24 | 102.0°F (1936) | 50.0°F (1927) | 1.48 in (1996) |
| August 25 | 100.0°F (1936) | 48.0°F (1942) | 2.85 in (1924) |
| August 26 | 102.9°F (1936) | 48.9°F (1945) | 1.39 in (2004) |
| August 27 | 100.9°F (1953) | 48.9°F (2025) | 2.03 in (2016) |
| August 28 | 106.0°F (1936) | 48.0°F (1986) | 3.15 in (1974) |
| August 29 | 102.0°F (1953) | 42.1°F (1965) | 4.53 in (1951) |
| August 30 | 100.0°F (1951) | 46.0°F (1986) | 3.41 in (2005) |
| August 31 | 102.9°F (1953) | 45.0°F (1915) | 2.46 in (1950) |