August weather in Zillah, WA
The average temperature in Zillah in August is 73.2°F (57.7°F–88.8°F). Average precipitation: 0.23 inches.
August is a summer month in Zillah, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 31.1°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 59m. For travel, August is hot.
Avg High
88.8°F
Avg Low
57.7°F
Precipitation
0.23 in
Daylight
13h 59m
August records in Zillah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1965) | 45.0°F (1957) | 0.38 in (1964) |
| August 2 | 100.9°F (1925) | 43.0°F (1956) | 0.12 in (1984) |
| August 3 | 106.0°F (1939) | 46.9°F (1924) | 0.56 in (1962) |
| August 4 | 106.0°F (1978) | 45.0°F (1954) | 0.20 in (1943) |
| August 5 | 105.1°F (1998) | 42.1°F (1969) | 0.24 in (2004) |
| August 6 | 102.9°F (1972) | 45.0°F (2002) | 0.37 in (1999) |
| August 7 | 105.1°F (1972) | 46.0°F (2002) | 0.43 in (1976) |
| August 8 | 104.0°F (1972) | 46.9°F (1949) | 0.29 in (1999) |
| August 9 | 105.1°F (1971) | 45.0°F (1964) | 0.00 in (1916) |
| August 10 | 104.0°F (1978) | 48.9°F (2007) | 0.19 in (1952) |
| August 11 | 104.0°F (1971) | 48.0°F (1957) | 0.29 in (1922) |
| August 12 | 102.9°F (1971) | 43.0°F (1927) | 0.07 in (1945) |
| August 13 | 105.1°F (1977) | 39.9°F (1984) | 0.01 in (1972) |
| August 14 | 104.0°F (1977) | 41.0°F (1960) | 0.24 in (1968) |
| August 15 | 102.9°F (1997) | 44.1°F (1935) | 0.23 in (1948) |
| August 16 | 102.9°F (1977) | 45.0°F (1978) | 0.31 in (1972) |
| August 17 | 105.1°F (1977) | 44.1°F (1976) | 0.10 in (1924) |
| August 18 | 105.1°F (1977) | 42.1°F (1995) | 1.20 in (1975) |
| August 19 | 104.0°F (1942) | 44.1°F (1984) | 0.17 in (1954) |
| August 20 | 102.9°F (1977) | 39.9°F (1926) | 0.40 in (1981) |
| August 21 | 102.0°F (1942) | 39.9°F (1926) | 1.05 in (1990) |
| August 22 | 99.0°F (1946) | 37.0°F (1960) | 0.40 in (1922) |
| August 23 | 102.0°F (1970) | 43.0°F (1992) | 0.22 in (1989) |
| August 24 | 99.0°F (1926) | 39.9°F (1929) | 0.41 in (1968) |
| August 25 | 99.0°F (1958) | 42.1°F (1917) | 0.46 in (1941) |
| August 26 | 99.0°F (1917) | 41.0°F (1976) | 0.40 in (1928) |
| August 27 | 100.0°F (1972) | 41.0°F (1925) | 0.61 in (1968) |
| August 28 | 100.9°F (1972) | 35.1°F (1984) | 0.42 in (1975) |
| August 29 | 99.0°F (1972) | 39.9°F (1939) | 0.53 in (1920) |
| August 30 | 100.0°F (1974) | 39.0°F (1927) | 0.57 in (1977) |
| August 31 | 99.0°F (1974) | 39.0°F (1980) | 0.78 in (1946) |