August weather in Duncombe, IA
The average temperature in Duncombe in August is 69.2°F (58.0°F–80.5°F). Average precipitation: 4.75 inches.
August is a summer month in Duncombe, and is warmer than the annual average of 46.1°F. Daily temperatures swing about 22.5°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
80.5°F
Avg Low
58.0°F
Precipitation
4.75 in
Daylight
13h 44m
August records in Duncombe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1988) | 45.0°F (1920) | 3.02 in (1961) |
| August 2 | 100.0°F (1930) | 44.1°F (1912) | 2.55 in (1929) |
| August 3 | 107.1°F (1930) | 39.0°F (1927) | 2.05 in (1928) |
| August 4 | 106.0°F (1916) | 44.1°F (2020) | 2.10 in (2002) |
| August 5 | 104.0°F (1918) | 44.1°F (1948) | 1.94 in (2002) |
| August 6 | 102.0°F (1916) | 46.9°F (1952) | 3.30 in (1972) |
| August 7 | 102.0°F (1894) | 43.0°F (1989) | 1.50 in (1996) |
| August 8 | 108.0°F (1934) | 46.0°F (1922) | 2.27 in (1991) |
| August 9 | 100.0°F (1936) | 39.0°F (1927) | 1.75 in (2015) |
| August 10 | 100.0°F (1947) | 44.1°F (1917) | 3.05 in (1993) |
| August 11 | 102.0°F (1918) | 43.0°F (1982) | 2.75 in (2010) |
| August 12 | 102.9°F (1936) | 43.0°F (1931) | 1.93 in (2016) |
| August 13 | 99.0°F (1965) | 41.0°F (1933) | 1.50 in (2002) |
| August 14 | 102.0°F (1988) | 43.0°F (1914) | 3.50 in (1979) |
| August 15 | 105.1°F (1988) | 39.0°F (1929) | 2.45 in (1993) |
| August 16 | 104.0°F (1988) | 46.0°F (1992) | 3.60 in (1977) |
| August 17 | 105.1°F (1988) | 44.1°F (2012) | 1.08 in (2000) |
| August 18 | 109.0°F (1936) | 43.0°F (1943) | 4.67 in (2007) |
| August 19 | 100.0°F (1947) | 43.0°F (2004) | 2.15 in (1979) |
| August 20 | 100.9°F (1947) | 35.1°F (1950) | 4.16 in (1969) |
| August 21 | 100.9°F (1947) | 41.0°F (1908) | 5.20 in (1998) |
| August 22 | 100.0°F (1947) | 41.0°F (1923) | 2.85 in (1978) |
| August 23 | 102.0°F (1948) | 45.0°F (1984) | 3.10 in (1985) |
| August 24 | 104.0°F (1936) | 39.0°F (1928) | 1.40 in (1905) |
| August 25 | 100.0°F (1936) | 39.0°F (1915) | 1.10 in (1990) |
| August 26 | 99.0°F (1955) | 39.0°F (1910) | 1.87 in (1942) |
| August 27 | 100.9°F (1955) | 39.0°F (1916) | 2.95 in (1928) |
| August 28 | 98.1°F (1948) | 35.1°F (1935) | 2.52 in (1982) |
| August 29 | 97.0°F (2013) | 34.0°F (1946) | 3.25 in (2015) |
| August 30 | 99.0°F (1953) | 34.0°F (1915) | 1.30 in (1965) |
| August 31 | 97.0°F (1953) | 39.0°F (1915) | 2.43 in (1969) |