August weather in Marble Rock, IA
The average temperature in Marble Rock in August is 69.6°F (59.7°F–79.6°F). Average precipitation: 4.28 inches.
August is a summer month in Marble Rock, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 46m. For travel, August is a comfortable month to visit.
Avg High
79.6°F
Avg Low
59.7°F
Precipitation
4.28 in
Daylight
13h 46m
August records in Marble Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1988) | 46.0°F (1898) | 0.84 in (1993) |
| August 2 | 100.0°F (1988) | 48.9°F (1904) | 1.61 in (1953) |
| August 3 | 98.1°F (1988) | 48.9°F (1978) | 0.97 in (1959) |
| August 4 | 100.0°F (1896) | 46.0°F (1978) | 1.95 in (2002) |
| August 5 | 95.0°F (1964) | 44.1°F (1994) | 1.97 in (2002) |
| August 6 | 96.1°F (1984) | 46.9°F (1990) | 1.05 in (2018) |
| August 7 | 102.0°F (1894) | 45.0°F (1989) | 3.10 in (2022) |
| August 8 | 100.9°F (1894) | 39.0°F (1904) | 2.11 in (1979) |
| August 9 | 96.1°F (1893) | 45.0°F (1898) | 4.38 in (2021) |
| August 10 | 95.0°F (1899) | 46.9°F (1982) | 6.30 in (1980) |
| August 11 | 93.0°F (1988) | 45.0°F (1986) | 1.48 in (2025) |
| August 12 | 93.9°F (1965) | 37.0°F (1898) | 0.88 in (2002) |
| August 13 | 96.1°F (1965) | 41.0°F (1964) | 1.80 in (1980) |
| August 14 | 95.0°F (1965) | 39.0°F (1964) | 1.30 in (1986) |
| August 15 | 100.0°F (1988) | 44.1°F (1992) | 1.99 in (1952) |
| August 16 | 100.0°F (1988) | 44.1°F (1992) | 2.40 in (1977) |
| August 17 | 104.0°F (1988) | 42.1°F (1897) | 2.63 in (2000) |
| August 18 | 100.0°F (1988) | 41.0°F (1897) | 3.60 in (2025) |
| August 19 | 97.0°F (1955) | 42.1°F (1963) | 2.76 in (2007) |
| August 20 | 98.1°F (1955) | 37.9°F (1897) | 3.14 in (2007) |
| August 21 | 100.0°F (1955) | 37.9°F (2004) | 2.05 in (1987) |
| August 22 | 96.1°F (1989) | 44.1°F (1904) | 3.35 in (1959) |
| August 23 | 102.0°F (2023) | 45.0°F (1987) | 2.59 in (1993) |
| August 24 | 98.1°F (1948) | 43.0°F (1987) | 3.22 in (2016) |
| August 25 | 97.0°F (2003) | 41.0°F (1958) | 1.46 in (1951) |
| August 26 | 97.0°F (1955) | 41.0°F (1964) | 0.75 in (1954) |
| August 27 | 96.1°F (1984) | 44.1°F (1896) | 2.01 in (2021) |
| August 28 | 96.1°F (1955) | 39.0°F (1986) | 2.33 in (2021) |
| August 29 | 93.9°F (1984) | 36.0°F (1893) | 3.19 in (2018) |
| August 30 | 96.1°F (1898) | 36.0°F (1897) | 2.14 in (2024) |
| August 31 | 96.1°F (1953) | 37.9°F (1967) | 3.76 in (1962) |