August weather in Irwin, IA
The average temperature in Irwin in August is 72.4°F (60.8°F–84.0°F). Average precipitation: 4.32 inches.
August is a summer month in Irwin, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 41m. For travel, August is a comfortable month to visit.
Avg High
84.0°F
Avg Low
60.8°F
Precipitation
4.32 in
Daylight
13h 41m
August records in Irwin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1953) | 48.9°F (1913) | 2.31 in (1961) |
| August 2 | 100.0°F (1930) | 45.0°F (1907) | 1.28 in (1939) |
| August 3 | 106.0°F (1930) | 45.0°F (1907) | 2.36 in (1940) |
| August 4 | 107.1°F (1918) | 45.0°F (1978) | 2.40 in (2004) |
| August 5 | 111.0°F (1934) | 46.9°F (1915) | 2.85 in (1982) |
| August 6 | 102.0°F (1918) | 50.0°F (1902) | 2.35 in (1906) |
| August 7 | 99.0°F (1937) | 45.0°F (1989) | 3.42 in (2007) |
| August 8 | 111.0°F (1934) | 44.1°F (1904) | 2.71 in (1987) |
| August 9 | 106.0°F (1936) | 44.1°F (1927) | 1.24 in (1933) |
| August 10 | 100.0°F (1937) | 42.1°F (1917) | 1.76 in (2014) |
| August 11 | 98.1°F (1935) | 41.0°F (1902) | 2.78 in (1980) |
| August 12 | 104.0°F (1936) | 43.0°F (1931) | 1.87 in (1932) |
| August 13 | 99.0°F (1938) | 42.1°F (1964) | 4.42 in (1910) |
| August 14 | 100.9°F (1934) | 46.0°F (2004) | 2.58 in (1951) |
| August 15 | 100.9°F (1936) | 43.0°F (1929) | 1.64 in (1910) |
| August 16 | 104.0°F (1937) | 48.0°F (2004) | 2.25 in (1956) |
| August 17 | 108.0°F (1936) | 45.0°F (2012) | 1.56 in (1930) |
| August 18 | 111.0°F (1936) | 43.0°F (2012) | 3.42 in (2015) |
| August 19 | 100.0°F (2003) | 43.0°F (1967) | 1.75 in (1925) |
| August 20 | 98.1°F (1947) | 37.9°F (1950) | 1.80 in (1951) |
| August 21 | 100.0°F (1955) | 45.0°F (1950) | 3.00 in (1922) |
| August 22 | 99.0°F (1914) | 41.0°F (1904) | 3.80 in (1922) |
| August 23 | 100.0°F (1938) | 43.0°F (1904) | 1.25 in (1924) |
| August 24 | 105.1°F (1936) | 41.0°F (1928) | 2.71 in (1946) |
| August 25 | 105.1°F (1936) | 37.9°F (1934) | 2.58 in (1987) |
| August 26 | 102.0°F (2003) | 41.0°F (1904) | 3.41 in (2014) |
| August 27 | 105.1°F (1955) | 37.9°F (1906) | 2.96 in (2009) |
| August 28 | 98.1°F (1955) | 37.9°F (1916) | 2.00 in (2006) |
| August 29 | 97.0°F (1948) | 39.9°F (1909) | 5.15 in (1952) |
| August 30 | 97.0°F (1953) | 37.0°F (1915) | 2.30 in (1922) |
| August 31 | 99.0°F (2000) | 35.1°F (1967) | 2.13 in (1977) |