August weather in Clayton, IA
The average temperature in Clayton in August is 71.7°F (61.8°F–81.6°F). Average precipitation: 3.61 inches.
August is a summer month in Clayton, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 45m. For travel, August is a comfortable month to visit.
Avg High
81.6°F
Avg Low
61.8°F
Precipitation
3.61 in
Daylight
13h 45m
August records in Clayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1988) | 52.0°F (1977) | 1.80 in (1957) |
| August 2 | 98.1°F (1988) | 52.0°F (1973) | 2.25 in (1972) |
| August 3 | 98.1°F (1988) | 48.0°F (1950) | 1.93 in (1959) |
| August 4 | 97.0°F (1956) | 48.0°F (1978) | 1.90 in (1973) |
| August 5 | 91.9°F (1955) | 48.9°F (1994) | 2.73 in (1988) |
| August 6 | 96.1°F (1984) | 50.0°F (1948) | 2.36 in (2018) |
| August 7 | 98.1°F (1949) | 50.0°F (1975) | 2.53 in (1995) |
| August 8 | 98.1°F (1941) | 51.1°F (1975) | 2.54 in (1991) |
| August 9 | 96.1°F (2005) | 46.0°F (1972) | 1.51 in (1968) |
| August 10 | 96.1°F (1983) | 50.0°F (1972) | 1.80 in (1980) |
| August 11 | 100.0°F (1941) | 48.9°F (1960) | 2.89 in (2025) |
| August 12 | 96.1°F (1995) | 48.9°F (1977) | 0.73 in (1997) |
| August 13 | 96.1°F (1995) | 48.9°F (2004) | 2.66 in (1943) |
| August 14 | 97.0°F (1988) | 48.0°F (1964) | 1.23 in (1945) |
| August 15 | 100.0°F (1988) | 45.0°F (1960) | 3.25 in (1940) |
| August 16 | 102.0°F (1988) | 48.0°F (1976) | 1.61 in (1977) |
| August 17 | 102.0°F (1988) | 48.0°F (1981) | 1.70 in (2000) |
| August 18 | 98.1°F (1988) | 45.0°F (1977) | 2.50 in (1979) |
| August 19 | 99.0°F (1983) | 48.9°F (1985) | 1.78 in (2005) |
| August 20 | 98.1°F (1955) | 41.0°F (1950) | 3.15 in (2007) |
| August 21 | 97.0°F (1955) | 45.0°F (1950) | 2.78 in (1966) |
| August 22 | 93.0°F (1968) | 46.0°F (2004) | 2.50 in (1975) |
| August 23 | 98.1°F (1948) | 50.0°F (1966) | 0.92 in (1988) |
| August 24 | 102.9°F (2023) | 48.0°F (1977) | 2.17 in (2014) |
| August 25 | 95.0°F (1948) | 43.0°F (1958) | 2.20 in (1990) |
| August 26 | 96.1°F (1948) | 46.9°F (1964) | 2.71 in (1981) |
| August 27 | 96.1°F (2024) | 46.9°F (1971) | 1.19 in (1965) |
| August 28 | 102.9°F (1948) | -67.0°F (1956) | 1.21 in (1963) |
| August 29 | 98.1°F (1984) | 46.9°F (1986) | 2.51 in (2015) |
| August 30 | 95.0°F (2013) | 46.9°F (1974) | 1.44 in (1948) |
| August 31 | 96.1°F (1953) | 45.0°F (1967) | 2.06 in (1956) |