August weather in Cromwell, IA
The average temperature in Cromwell in August is 71.8°F (60.7°F–83.0°F). Average precipitation: 4.23 inches.
August is a summer month in Cromwell, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
83.0°F
Avg Low
60.7°F
Precipitation
4.23 in
Daylight
13h 39m
August records in Cromwell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1917) | 51.1°F (1913) | 3.98 in (1932) |
| August 2 | 100.0°F (1947) | 42.1°F (1907) | 2.50 in (2023) |
| August 3 | 102.9°F (1930) | 46.9°F (1927) | 1.88 in (2015) |
| August 4 | 100.9°F (1918) | 46.0°F (1978) | 1.94 in (2000) |
| August 5 | 111.0°F (1918) | 46.0°F (1957) | 1.30 in (1923) |
| August 6 | 106.0°F (1918) | 48.0°F (1957) | 3.85 in (1959) |
| August 7 | 104.0°F (1934) | 45.0°F (1989) | 2.90 in (1999) |
| August 8 | 109.9°F (1934) | 46.9°F (1964) | 2.29 in (1987) |
| August 9 | 109.9°F (1934) | 44.1°F (1927) | 2.91 in (1933) |
| August 10 | 102.0°F (1934) | 45.0°F (1917) | 1.70 in (2009) |
| August 11 | 102.9°F (1911) | 46.0°F (1917) | 1.95 in (1940) |
| August 12 | 104.0°F (1936) | 43.0°F (1964) | 2.75 in (1932) |
| August 13 | 100.9°F (1936) | 39.0°F (1964) | 1.24 in (2002) |
| August 14 | 105.1°F (1936) | 45.0°F (1929) | 1.50 in (1905) |
| August 15 | 102.0°F (1988) | 44.1°F (2004) | 1.65 in (1915) |
| August 16 | 104.0°F (1936) | 50.0°F (1951) | 3.87 in (2011) |
| August 17 | 105.1°F (1936) | 46.0°F (2012) | 1.82 in (1921) |
| August 18 | 108.0°F (1936) | 48.0°F (1943) | 3.02 in (1993) |
| August 19 | 100.0°F (2003) | 45.0°F (1967) | 2.03 in (1931) |
| August 20 | 99.0°F (1947) | 39.0°F (1950) | 1.91 in (1951) |
| August 21 | 100.0°F (1936) | 39.0°F (1950) | 1.61 in (1966) |
| August 22 | 99.0°F (1936) | 45.0°F (1923) | 1.42 in (1943) |
| August 23 | 98.1°F (1947) | 44.1°F (1966) | 2.75 in (2007) |
| August 24 | 105.1°F (1936) | 42.1°F (1934) | 3.98 in (2007) |
| August 25 | 105.1°F (1936) | 37.0°F (1923) | 1.88 in (2021) |
| August 26 | 100.9°F (1955) | 41.0°F (1910) | 3.90 in (1987) |
| August 27 | 100.9°F (1955) | 39.9°F (1906) | 4.92 in (1977) |
| August 28 | 100.0°F (1984) | 39.9°F (1986) | 1.92 in (1982) |
| August 29 | 99.0°F (1984) | 43.0°F (1946) | 2.40 in (1960) |
| August 30 | 99.0°F (1947) | 39.0°F (1915) | 4.55 in (1922) |
| August 31 | 97.0°F (2013) | 39.0°F (1915) | 2.75 in (1977) |