August weather in Boone, IA
The average temperature in Boone in August is 71.5°F (60.8°F–82.2°F). Average precipitation: 4.92 inches.
August is a summer month in Boone, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 42m. For travel, August is a comfortable month to visit.
Avg High
82.2°F
Avg Low
60.8°F
Precipitation
4.92 in
Daylight
13h 42m
August records in Boone
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1955) | 48.0°F (1925) | 2.32 in (1961) |
| August 2 | 102.9°F (1930) | 46.9°F (1920) | 2.60 in (1972) |
| August 3 | 108.0°F (1930) | 42.1°F (1927) | 2.09 in (1928) |
| August 4 | 104.0°F (1930) | 44.1°F (1978) | 1.58 in (1945) |
| August 5 | 111.0°F (1934) | 46.9°F (1957) | 2.98 in (2002) |
| August 6 | 105.1°F (1918) | 50.0°F (1990) | 2.43 in (1963) |
| August 7 | 98.1°F (1916) | 45.0°F (1976) | 4.19 in (1925) |
| August 8 | 108.0°F (1934) | 46.0°F (1922) | 2.82 in (1977) |
| August 9 | 102.9°F (1936) | 36.0°F (1924) | 3.85 in (2010) |
| August 10 | 102.9°F (1913) | 43.0°F (1927) | 2.02 in (2025) |
| August 11 | 98.1°F (1941) | 42.1°F (1930) | 3.30 in (2005) |
| August 12 | 104.0°F (1936) | 43.0°F (1931) | 4.71 in (2016) |
| August 13 | 100.0°F (1965) | 43.0°F (1964) | 2.67 in (1940) |
| August 14 | 97.0°F (1934) | 46.0°F (1963) | 1.36 in (1986) |
| August 15 | 102.9°F (1988) | 39.0°F (1929) | 1.18 in (1993) |
| August 16 | 105.1°F (1988) | 50.0°F (1979) | 2.62 in (1977) |
| August 17 | 106.0°F (1988) | 45.0°F (2012) | 3.28 in (1954) |
| August 18 | 109.9°F (1936) | 44.1°F (1933) | 3.03 in (1999) |
| August 19 | 100.0°F (1983) | 42.1°F (1985) | 1.13 in (2015) |
| August 20 | 99.0°F (1947) | 39.9°F (1950) | 5.92 in (2007) |
| August 21 | 100.9°F (1936) | 45.0°F (1925) | 2.15 in (1954) |
| August 22 | 99.0°F (1948) | 39.0°F (1923) | 3.20 in (1988) |
| August 23 | 98.1°F (1936) | 39.9°F (1923) | 2.90 in (1973) |
| August 24 | 105.1°F (1936) | 41.0°F (1927) | 2.68 in (1940) |
| August 25 | 107.1°F (1936) | 36.0°F (1934) | 1.65 in (1987) |
| August 26 | 102.9°F (2003) | 39.0°F (1934) | 3.24 in (1987) |
| August 27 | 100.0°F (1955) | 39.9°F (1971) | 2.88 in (1978) |
| August 28 | 99.0°F (1984) | 36.0°F (1935) | 1.81 in (2006) |
| August 29 | 100.0°F (1984) | 39.9°F (1988) | 4.95 in (1907) |
| August 30 | 98.1°F (1984) | 35.1°F (1915) | 1.53 in (1983) |
| August 31 | 98.1°F (2013) | 39.9°F (1915) | 1.01 in (2011) |