August weather in Fort Madison, IA
The average temperature in Fort Madison in August is 74.7°F (65.6°F–83.8°F). Average precipitation: 3.80 inches.
August is a summer month in Fort Madison, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 37m. For travel, August is a comfortable month to visit.
Avg High
83.8°F
Avg Low
65.6°F
Precipitation
3.80 in
Daylight
13h 37m
August records in Fort Madison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1970) | 48.0°F (1971) | 1.54 in (1956) |
| August 2 | 102.9°F (1987) | 54.0°F (1973) | 0.95 in (1995) |
| August 3 | 100.0°F (1987) | 50.0°F (1976) | 1.15 in (1970) |
| August 4 | 100.0°F (1983) | 46.0°F (1978) | 1.59 in (2009) |
| August 5 | 96.1°F (1983) | 48.0°F (1978) | 4.78 in (1970) |
| August 6 | 98.1°F (2006) | 50.0°F (1972) | 8.50 in (1959) |
| August 7 | 99.0°F (2012) | 50.0°F (1965) | 1.34 in (1977) |
| August 8 | 100.9°F (1894) | 50.0°F (1965) | 1.80 in (1988) |
| August 9 | 98.1°F (1894) | 46.9°F (1972) | 2.56 in (2015) |
| August 10 | 96.1°F (1970) | 46.9°F (1972) | 2.42 in (2010) |
| August 11 | 100.0°F (1894) | 46.9°F (1972) | 2.21 in (2021) |
| August 12 | 98.1°F (1975) | 48.0°F (1972) | 1.98 in (2016) |
| August 13 | 100.0°F (1975) | 42.1°F (1977) | 2.25 in (1956) |
| August 14 | 100.0°F (2007) | 48.9°F (1972) | 1.65 in (1971) |
| August 15 | 102.0°F (1988) | 50.0°F (1964) | 1.55 in (1907) |
| August 16 | 100.0°F (1988) | 54.0°F (1964) | 2.60 in (1907) |
| August 17 | 102.9°F (1988) | 53.1°F (1962) | 1.70 in (1978) |
| August 18 | 104.0°F (1983) | 48.0°F (1977) | 2.03 in (1902) |
| August 19 | 102.9°F (1983) | 55.0°F (1953) | 1.33 in (1904) |
| August 20 | 100.0°F (1983) | 48.9°F (1956) | 2.27 in (1910) |
| August 21 | 102.0°F (1983) | 46.0°F (1956) | 1.63 in (1964) |
| August 22 | 98.1°F (1975) | 53.1°F (1977) | 1.88 in (2001) |
| August 23 | 95.0°F (1968) | 48.9°F (1966) | 1.79 in (2002) |
| August 24 | 100.9°F (2011) | 48.9°F (1966) | 2.65 in (2007) |
| August 25 | 98.1°F (1955) | 45.0°F (1958) | 1.92 in (1982) |
| August 26 | 99.0°F (2003) | 48.0°F (1964) | 2.43 in (2012) |
| August 27 | 98.1°F (1955) | 50.0°F (1986) | 4.36 in (2004) |
| August 28 | 100.0°F (2013) | 45.0°F (1986) | 1.58 in (1975) |
| August 29 | 95.0°F (1953) | 48.0°F (1916) | 1.70 in (1955) |
| August 30 | 104.0°F (2013) | 51.1°F (2009) | 1.53 in (1993) |
| August 31 | 99.0°F (1953) | 45.0°F (1967) | 2.38 in (2003) |