August weather in Leavenworth, WA
The average temperature in Leavenworth in August is 68.6°F (50.3°F–86.9°F). Average precipitation: 0.37 inches.
August is a summer month in Leavenworth, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 36.6°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 14h 5m. For travel, August is a comfortable month to visit.
Avg High
86.9°F
Avg Low
50.3°F
Precipitation
0.37 in
Daylight
14h 5m
August records in Leavenworth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 105.1°F (1971) | 37.9°F (2018) | 0.32 in (1964) |
| August 2 | 105.1°F (2009) | 39.9°F (1923) | 0.33 in (1934) |
| August 3 | 104.0°F (1939) | 37.0°F (1950) | 0.22 in (1962) |
| August 4 | 108.0°F (1961) | 39.9°F (1956) | 0.51 in (1933) |
| August 5 | 102.9°F (1998) | 42.1°F (1923) | 0.25 in (1953) |
| August 6 | 102.9°F (1945) | 39.9°F (1969) | 0.46 in (1953) |
| August 7 | 104.0°F (1972) | 39.0°F (1946) | 0.71 in (1991) |
| August 8 | 102.9°F (1971) | 42.1°F (1946) | 0.69 in (1999) |
| August 9 | 104.0°F (1941) | 39.9°F (1970) | 0.02 in (2024) |
| August 10 | 105.1°F (1971) | 42.1°F (1964) | 0.26 in (1968) |
| August 11 | 106.0°F (2021) | 35.1°F (1920) | 0.72 in (1945) |
| August 12 | 106.0°F (1981) | 41.0°F (1931) | 0.32 in (1941) |
| August 13 | 104.0°F (1981) | 36.0°F (2009) | 0.38 in (2014) |
| August 14 | 102.9°F (1967) | 39.9°F (1941) | 0.48 in (1968) |
| August 15 | 104.0°F (1967) | 39.9°F (1928) | 0.38 in (1948) |
| August 16 | 108.0°F (1967) | 39.0°F (1935) | 0.79 in (1972) |
| August 17 | 107.1°F (1967) | 41.0°F (1946) | 0.43 in (2005) |
| August 18 | 108.0°F (1942) | 39.0°F (1973) | 0.21 in (1931) |
| August 19 | 106.0°F (1942) | 37.0°F (1973) | 0.25 in (1927) |
| August 20 | 100.9°F (1946) | 39.0°F (1947) | 1.55 in (1923) |
| August 21 | 102.0°F (1939) | 37.0°F (1926) | 1.37 in (1990) |
| August 22 | 104.0°F (1946) | 33.1°F (1960) | 0.86 in (1923) |
| August 23 | 102.9°F (1939) | 35.1°F (1925) | 0.72 in (2024) |
| August 24 | 105.1°F (1970) | 36.0°F (1925) | 0.72 in (2004) |
| August 25 | 102.0°F (2025) | 36.0°F (1925) | 0.58 in (1968) |
| August 26 | 100.0°F (2009) | 37.0°F (1980) | 0.58 in (1956) |
| August 27 | 99.0°F (1936) | 34.0°F (1936) | 0.35 in (1941) |
| August 28 | 100.9°F (1929) | 33.1°F (1941) | 1.36 in (1951) |
| August 29 | 100.0°F (1929) | 30.0°F (1980) | 0.52 in (1951) |
| August 30 | 98.1°F (1940) | 36.0°F (1925) | 0.38 in (1983) |
| August 31 | 102.0°F (1967) | 34.0°F (1980) | 0.35 in (1919) |