August weather in Clinton, IA
The average temperature in Clinton in August is 72.2°F (62.8°F–81.6°F). Average precipitation: 4.20 inches.
August is a summer month in Clinton, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 42m. For travel, August is a comfortable month to visit.
Avg High
81.6°F
Avg Low
62.8°F
Precipitation
4.20 in
Daylight
13h 42m
August records in Clinton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 50.0°F (1895) | 1.52 in (1966) |
| August 2 | 100.0°F (1930) | 43.0°F (1912) | 3.30 in (1915) |
| August 3 | 102.9°F (1930) | 45.0°F (1912) | 2.14 in (1935) |
| August 4 | 99.0°F (1988) | 45.0°F (1912) | 2.38 in (1928) |
| August 5 | 102.0°F (1918) | 46.0°F (1894) | 1.43 in (1955) |
| August 6 | 99.0°F (1918) | 46.0°F (1910) | 2.14 in (1924) |
| August 7 | 99.0°F (1918) | 48.0°F (1903) | 4.48 in (1927) |
| August 8 | 107.1°F (1906) | 42.1°F (1904) | 4.20 in (1939) |
| August 9 | 100.9°F (1913) | 45.0°F (1927) | 1.22 in (1979) |
| August 10 | 97.0°F (1944) | 46.0°F (1917) | 2.84 in (1961) |
| August 11 | 100.0°F (1941) | 46.0°F (1904) | 3.37 in (1949) |
| August 12 | 100.9°F (1918) | 46.0°F (1902) | 2.95 in (2016) |
| August 13 | 99.0°F (1918) | 46.9°F (1931) | 2.25 in (1943) |
| August 14 | 104.0°F (1936) | 44.1°F (1964) | 3.85 in (1945) |
| August 15 | 100.9°F (1913) | 45.0°F (1929) | 1.88 in (2018) |
| August 16 | 102.0°F (1913) | 46.0°F (1992) | 3.01 in (1898) |
| August 17 | 100.9°F (1988) | 48.0°F (1992) | 2.22 in (1946) |
| August 18 | 106.0°F (1936) | 43.0°F (1963) | 3.22 in (1979) |
| August 19 | 99.0°F (1947) | 46.9°F (1927) | 3.64 in (1924) |
| August 20 | 98.1°F (1916) | 42.1°F (1897) | 2.51 in (1979) |
| August 21 | 100.0°F (1936) | 45.0°F (1950) | 2.93 in (1987) |
| August 22 | 102.9°F (1936) | 44.1°F (1904) | 1.70 in (1954) |
| August 23 | 100.0°F (1947) | 48.0°F (1904) | 4.45 in (2007) |
| August 24 | 100.0°F (1947) | 43.0°F (1908) | 2.00 in (1963) |
| August 25 | 95.0°F (1948) | 41.0°F (1917) | 2.35 in (1972) |
| August 26 | 93.9°F (1913) | 42.1°F (1934) | 2.86 in (2009) |
| August 27 | 97.0°F (1930) | 43.0°F (1915) | 2.65 in (1931) |
| August 28 | 97.0°F (1955) | 39.0°F (1986) | 2.24 in (1957) |
| August 29 | 97.0°F (1984) | 39.0°F (1934) | 2.35 in (2018) |
| August 30 | 98.1°F (1953) | 39.9°F (1893) | 1.55 in (2024) |
| August 31 | 100.0°F (1953) | 39.9°F (1915) | 0.74 in (1908) |