August weather in Ralston, IA
The average temperature in Ralston in August is 71.7°F (61.2°F–82.2°F). Average precipitation: 4.06 inches.
August is a summer month in Ralston, and is warmer than the annual average of 48.3°F. Daily temperatures swing about 21°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
82.2°F
Avg Low
61.2°F
Precipitation
4.06 in
Daylight
13h 42m
August records in Ralston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1941) | 45.0°F (1898) | 2.86 in (1961) |
| August 2 | 100.0°F (1941) | 44.1°F (1971) | 2.54 in (1921) |
| August 3 | 111.0°F (1930) | 32.0°F (1898) | 1.61 in (1903) |
| August 4 | 104.0°F (1934) | 41.0°F (1894) | 3.30 in (2002) |
| August 5 | 111.9°F (1934) | 41.0°F (1957) | 3.06 in (1996) |
| August 6 | 102.9°F (1918) | 43.0°F (1974) | 1.39 in (1960) |
| August 7 | 100.0°F (1918) | 43.0°F (1976) | 1.87 in (2014) |
| August 8 | 111.0°F (1934) | 41.0°F (1904) | 1.32 in (1987) |
| August 9 | 104.0°F (1936) | 41.0°F (1972) | 2.24 in (2010) |
| August 10 | 104.0°F (1947) | 45.0°F (1967) | 1.00 in (2025) |
| August 11 | 100.0°F (1941) | 41.0°F (1902) | 1.98 in (2005) |
| August 12 | 102.9°F (1936) | 41.0°F (1893) | 2.44 in (1987) |
| August 13 | 98.1°F (1918) | 36.0°F (1964) | 4.00 in (1986) |
| August 14 | 99.0°F (1934) | 43.0°F (1962) | 2.90 in (1926) |
| August 15 | 102.9°F (1936) | 42.1°F (1992) | 2.36 in (1910) |
| August 16 | 102.0°F (1937) | 46.0°F (1966) | 2.16 in (1912) |
| August 17 | 104.0°F (1936) | 42.1°F (1897) | 4.82 in (1928) |
| August 18 | 109.9°F (1936) | 44.1°F (1963) | 2.02 in (1918) |
| August 19 | 99.0°F (1947) | 42.1°F (1967) | 2.40 in (1899) |
| August 20 | 102.0°F (1947) | 37.0°F (1950) | 3.70 in (1920) |
| August 21 | 100.9°F (1947) | 43.0°F (1939) | 1.88 in (1920) |
| August 22 | 98.1°F (1947) | 42.1°F (1923) | 3.73 in (1988) |
| August 23 | 98.1°F (1947) | 41.0°F (1934) | 3.27 in (2002) |
| August 24 | 105.1°F (1936) | 42.1°F (1934) | 1.55 in (1900) |
| August 25 | 102.0°F (1936) | 37.9°F (1958) | 2.25 in (2001) |
| August 26 | 100.9°F (2003) | 36.0°F (1934) | 1.70 in (1940) |
| August 27 | 102.0°F (1955) | 35.1°F (1971) | 2.85 in (1968) |
| August 28 | 100.0°F (1984) | 34.0°F (1935) | 2.40 in (2006) |
| August 29 | 99.0°F (1948) | 41.0°F (1946) | 3.02 in (1907) |
| August 30 | 99.0°F (1898) | 37.0°F (1915) | 1.58 in (1983) |
| August 31 | 98.1°F (2000) | 18.0°F (1893) | 1.75 in (1977) |