August weather in Oskaloosa, IA
The average temperature in Oskaloosa in August is 72.9°F (62.0°F–83.8°F). Average precipitation: 5.08 inches.
August is a summer month in Oskaloosa, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 40m. For travel, August is a wet month.
Avg High
83.8°F
Avg Low
62.0°F
Precipitation
5.08 in
Daylight
13h 40m
August records in Oskaloosa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 48.9°F (1895) | 1.00 in (1896) |
| August 2 | 100.9°F (1947) | 48.0°F (1912) | 2.09 in (2004) |
| August 3 | 109.0°F (1930) | 46.0°F (1894) | 1.50 in (2010) |
| August 4 | 109.0°F (1918) | 44.1°F (1894) | 2.50 in (1902) |
| August 5 | 107.1°F (1918) | 46.0°F (1978) | 5.36 in (1970) |
| August 6 | 106.0°F (1918) | 48.9°F (1910) | 3.07 in (1963) |
| August 7 | 102.9°F (1934) | 46.9°F (1989) | 1.58 in (1969) |
| August 8 | 111.9°F (1934) | 45.0°F (1904) | 1.45 in (1991) |
| August 9 | 108.0°F (1934) | 46.9°F (1927) | 4.04 in (2007) |
| August 10 | 102.9°F (1911) | 48.0°F (1917) | 4.00 in (2010) |
| August 11 | 99.0°F (1941) | 46.9°F (1904) | 2.30 in (2010) |
| August 12 | 102.0°F (1936) | 46.9°F (1964) | 3.36 in (1932) |
| August 13 | 100.0°F (1918) | 44.1°F (1964) | 2.00 in (1974) |
| August 14 | 105.1°F (1936) | 48.9°F (1914) | 4.65 in (1986) |
| August 15 | 102.0°F (1988) | 46.0°F (1992) | 3.28 in (1908) |
| August 16 | 104.0°F (1983) | 46.0°F (1992) | 1.77 in (1995) |
| August 17 | 104.0°F (1983) | 44.1°F (1897) | 2.28 in (1980) |
| August 18 | 109.9°F (1936) | 45.0°F (1943) | 1.54 in (1970) |
| August 19 | 102.0°F (1983) | 46.0°F (1895) | 1.60 in (1979) |
| August 20 | 100.9°F (1947) | 36.0°F (1950) | 2.05 in (1939) |
| August 21 | 100.0°F (1936) | 44.1°F (1950) | 1.60 in (1977) |
| August 22 | 100.9°F (1936) | 45.0°F (1923) | 1.39 in (2019) |
| August 23 | 102.9°F (1948) | 45.0°F (1923) | 1.63 in (1989) |
| August 24 | 106.0°F (1936) | 39.9°F (1942) | 5.00 in (2007) |
| August 25 | 108.0°F (1936) | 41.0°F (1915) | 1.65 in (1951) |
| August 26 | 102.9°F (1983) | 41.0°F (1910) | 3.64 in (1987) |
| August 27 | 99.0°F (1955) | 43.0°F (1896) | 2.41 in (2021) |
| August 28 | 99.0°F (1983) | 39.9°F (1986) | 3.61 in (1998) |
| August 29 | 99.0°F (1984) | 37.0°F (1946) | 1.74 in (1997) |
| August 30 | 102.0°F (1953) | 39.0°F (1893) | 1.81 in (2016) |
| August 31 | 102.9°F (2013) | 37.0°F (1915) | 1.49 in (1980) |