August weather in Rockwell City, IA
The average temperature in Rockwell City in August is 70.6°F (60.5°F–80.7°F). Average precipitation: 4.53 inches.
August is a summer month in Rockwell City, and is warmer than the annual average of 47.2°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 44m. For travel, August is a comfortable month to visit.
Avg High
80.7°F
Avg Low
60.5°F
Precipitation
4.53 in
Daylight
13h 44m
August records in Rockwell City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1941) | 46.0°F (1898) | 2.50 in (1961) |
| August 2 | 100.0°F (1930) | 46.9°F (1907) | 2.12 in (2001) |
| August 3 | 107.1°F (1930) | 46.9°F (1907) | 1.40 in (2017) |
| August 4 | 102.9°F (1934) | 41.0°F (1915) | 1.92 in (1906) |
| August 5 | 109.0°F (1934) | 46.9°F (1915) | 3.35 in (2002) |
| August 6 | 99.0°F (1934) | 48.9°F (1952) | 2.30 in (1919) |
| August 7 | 98.1°F (1988) | 45.0°F (1976) | 1.74 in (2014) |
| August 8 | 108.0°F (1934) | 46.9°F (1922) | 3.00 in (1967) |
| August 9 | 102.9°F (1947) | 48.0°F (2002) | 2.27 in (1980) |
| August 10 | 100.9°F (1947) | 46.9°F (1917) | 1.55 in (2006) |
| August 11 | 99.0°F (1947) | 43.0°F (1902) | 1.96 in (1996) |
| August 12 | 102.0°F (1918) | 43.0°F (1931) | 2.39 in (1943) |
| August 13 | 99.0°F (1965) | 44.1°F (1964) | 2.40 in (1930) |
| August 14 | 98.1°F (1988) | 45.0°F (1897) | 1.75 in (1995) |
| August 15 | 102.9°F (1936) | 45.0°F (1929) | 2.50 in (1900) |
| August 16 | 102.0°F (1937) | 44.1°F (1897) | 1.40 in (1980) |
| August 17 | 102.0°F (1988) | 45.0°F (1897) | 3.05 in (1902) |
| August 18 | 109.9°F (1936) | 45.0°F (1943) | 1.70 in (1931) |
| August 19 | 99.0°F (1947) | 43.0°F (2004) | 3.65 in (1937) |
| August 20 | 100.9°F (1947) | 39.0°F (1950) | 5.29 in (2007) |
| August 21 | 100.0°F (1947) | 45.0°F (1925) | 2.14 in (2018) |
| August 22 | 99.0°F (1914) | 44.1°F (1920) | 3.88 in (1988) |
| August 23 | 99.0°F (1948) | 44.1°F (1966) | 2.45 in (1973) |
| August 24 | 105.1°F (1936) | 39.0°F (1934) | 1.81 in (1990) |
| August 25 | 100.0°F (1936) | 42.1°F (1934) | 1.31 in (2001) |
| August 26 | 100.0°F (1955) | 45.0°F (1934) | 4.49 in (1940) |
| August 27 | 102.0°F (1955) | 42.1°F (1916) | 1.53 in (1949) |
| August 28 | 102.0°F (1984) | 39.0°F (1986) | 2.75 in (1981) |
| August 29 | 97.0°F (1984) | 39.0°F (1946) | 3.20 in (2007) |
| August 30 | 97.0°F (1898) | 36.0°F (1915) | 2.47 in (1993) |
| August 31 | 96.1°F (2000) | 41.0°F (1915) | 3.05 in (1962) |