August weather in Osceola, IA
The average temperature in Osceola in August is 73.0°F (61.4°F–84.7°F). Average precipitation: 4.60 inches.
August is a summer month in Osceola, and is warmer than the annual average of 49.8°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
84.7°F
Avg Low
61.4°F
Precipitation
4.60 in
Daylight
13h 39m
August records in Osceola
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1953) | 50.0°F (1898) | 1.83 in (1956) |
| August 2 | 102.9°F (1947) | 48.9°F (2009) | 1.47 in (2023) |
| August 3 | 102.9°F (1947) | 48.9°F (1974) | 1.28 in (2006) |
| August 4 | 105.1°F (1954) | 42.1°F (1978) | 2.58 in (2004) |
| August 5 | 102.0°F (1947) | 48.0°F (1978) | 2.10 in (2012) |
| August 6 | 98.1°F (2018) | 46.9°F (2004) | 3.80 in (1959) |
| August 7 | 98.1°F (1980) | 46.0°F (1989) | 1.72 in (2007) |
| August 8 | 99.0°F (2012) | 44.1°F (1904) | 4.01 in (2025) |
| August 9 | 102.0°F (1894) | 45.0°F (1972) | 1.30 in (1977) |
| August 10 | 100.0°F (1947) | 48.0°F (2024) | 2.42 in (2009) |
| August 11 | 100.0°F (1941) | 46.9°F (1902) | 1.72 in (1940) |
| August 12 | 98.1°F (1947) | 44.1°F (2004) | 1.66 in (1990) |
| August 13 | 98.1°F (1944) | 44.1°F (1964) | 2.53 in (1999) |
| August 14 | 100.0°F (1988) | 48.9°F (2004) | 4.87 in (2006) |
| August 15 | 102.9°F (1988) | 42.1°F (2004) | 3.04 in (1900) |
| August 16 | 102.0°F (1937) | 50.0°F (2013) | 4.24 in (2014) |
| August 17 | 102.0°F (1988) | 45.0°F (2012) | 1.85 in (1960) |
| August 18 | 102.0°F (2003) | 42.1°F (2012) | 1.80 in (2006) |
| August 19 | 100.9°F (2003) | 46.0°F (1981) | 5.35 in (1993) |
| August 20 | 100.9°F (1947) | 37.9°F (1950) | 1.34 in (2014) |
| August 21 | 100.0°F (2003) | 46.9°F (1981) | 2.16 in (1987) |
| August 22 | 100.0°F (1948) | 48.9°F (1951) | 1.42 in (1943) |
| August 23 | 100.9°F (1948) | 48.0°F (1904) | 3.60 in (2014) |
| August 24 | 100.9°F (1947) | 44.1°F (1942) | 3.63 in (1946) |
| August 25 | 100.9°F (2003) | 41.0°F (1958) | 1.87 in (1975) |
| August 26 | 104.0°F (2003) | 45.0°F (2015) | 6.02 in (1987) |
| August 27 | 102.9°F (2003) | 43.0°F (1971) | 7.68 in (1903) |
| August 28 | 98.1°F (2013) | 42.1°F (1935) | 1.66 in (1903) |
| August 29 | 98.1°F (1948) | 43.0°F (1946) | 2.07 in (1960) |
| August 30 | 104.0°F (1947) | 46.9°F (1897) | 1.31 in (1965) |
| August 31 | 102.0°F (2013) | 42.1°F (1967) | 2.25 in (1980) |