August weather in Washington, UT
The average temperature in Washington in August is 85.1°F (70.3°F–99.9°F). Average precipitation: 1.07 inches.
August is a summer month in Washington, and is warmer than the annual average of 62.7°F. Daily temperatures swing about 29.6°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 13h 26m. For travel, August is hot.
Avg High
99.9°F
Avg Low
70.3°F
Precipitation
1.07 in
Daylight
13h 26m
August records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 111.9°F (1995) | 43.0°F (1903) | 0.53 in (1974) |
| August 2 | 111.9°F (1995) | 54.0°F (1913) | 1.89 in (1899) |
| August 3 | 111.0°F (1995) | 54.0°F (1915) | 1.07 in (1951) |
| August 4 | 111.9°F (1893) | 52.0°F (1944) | 0.77 in (1997) |
| August 5 | 113.0°F (1895) | 52.0°F (1912) | 0.70 in (1929) |
| August 6 | 109.9°F (1903) | 50.0°F (1912) | 0.37 in (1925) |
| August 7 | 111.0°F (2024) | 52.0°F (1900) | 0.84 in (2015) |
| August 8 | 109.9°F (1978) | 50.0°F (1896) | 0.53 in (1930) |
| August 9 | 111.0°F (1928) | 50.0°F (1896) | 0.52 in (1930) |
| August 10 | 109.9°F (1940) | 51.1°F (1894) | 0.79 in (1997) |
| August 11 | 111.9°F (1940) | 46.9°F (1894) | 0.50 in (2017) |
| August 12 | 111.0°F (1933) | 39.9°F (1894) | 1.30 in (1945) |
| August 13 | 109.9°F (1933) | 46.0°F (1899) | 0.59 in (2017) |
| August 14 | 109.0°F (1963) | 50.0°F (1899) | 0.56 in (1964) |
| August 15 | 109.9°F (1994) | 48.0°F (1902) | 1.25 in (1970) |
| August 16 | 111.0°F (2020) | 46.9°F (1899) | 0.62 in (1990) |
| August 17 | 115.0°F (2020) | 39.9°F (1902) | 1.02 in (1983) |
| August 18 | 113.0°F (2020) | 48.0°F (1899) | 0.73 in (1983) |
| August 19 | 111.9°F (2020) | 46.0°F (1899) | 0.71 in (1922) |
| August 20 | 111.0°F (2020) | 46.9°F (1899) | 0.22 in (2001) |
| August 21 | 109.0°F (1919) | 50.0°F (1899) | 0.75 in (1904) |
| August 22 | 109.9°F (1969) | 44.1°F (1900) | 0.88 in (2018) |
| August 23 | 109.9°F (1969) | 45.0°F (1900) | 1.00 in (2012) |
| August 24 | 109.9°F (1919) | 45.0°F (1899) | 2.00 in (2020) |
| August 25 | 109.0°F (1931) | 46.9°F (1899) | 0.82 in (1940) |
| August 26 | 108.0°F (1985) | 46.9°F (1978) | 0.39 in (1953) |
| August 27 | 108.0°F (1924) | 48.9°F (1900) | 0.88 in (1925) |
| August 28 | 109.0°F (1918) | 48.0°F (1903) | 1.81 in (1896) |
| August 29 | 107.1°F (1954) | 48.0°F (1895) | 0.80 in (1951) |
| August 30 | 109.0°F (1919) | 43.0°F (1902) | 1.11 in (2000) |
| August 31 | 109.0°F (1995) | 45.0°F (1932) | 2.40 in (1909) |