August weather in West Union, IA
The average temperature in West Union in August is 68.3°F (56.8°F–79.8°F). Average precipitation: 4.13 inches.
August is a summer month in West Union, and is warmer than the annual average of 45°F. Daily temperatures swing about 23°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
79.8°F
Avg Low
56.8°F
Precipitation
4.13 in
Daylight
13h 46m
August records in West Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 41.0°F (1895) | 2.30 in (1915) |
| August 2 | 100.0°F (1988) | 42.1°F (1927) | 5.28 in (1981) |
| August 3 | 104.0°F (1930) | 39.0°F (1894) | 2.00 in (1928) |
| August 4 | 100.0°F (1947) | 39.9°F (1912) | 1.98 in (2002) |
| August 5 | 100.9°F (1918) | 41.0°F (1948) | 1.84 in (1998) |
| August 6 | 98.1°F (1918) | 42.1°F (1957) | 1.18 in (2013) |
| August 7 | 102.9°F (1894) | 45.0°F (1952) | 2.70 in (2022) |
| August 8 | 102.0°F (1894) | 36.0°F (1904) | 1.75 in (1987) |
| August 9 | 99.0°F (1893) | 37.9°F (1927) | 3.30 in (2021) |
| August 10 | 95.0°F (1899) | 42.1°F (1927) | 3.92 in (1980) |
| August 11 | 98.1°F (1941) | 41.0°F (1904) | 3.76 in (1921) |
| August 12 | 99.0°F (1936) | 41.0°F (1946) | 1.27 in (1917) |
| August 13 | 96.1°F (1965) | 43.0°F (1964) | 1.68 in (1911) |
| August 14 | 99.0°F (1988) | 37.0°F (1964) | 3.12 in (1987) |
| August 15 | 100.0°F (1988) | 39.0°F (1929) | 0.85 in (1907) |
| August 16 | 102.0°F (1988) | 39.0°F (1976) | 2.83 in (1918) |
| August 17 | 104.0°F (1988) | 41.0°F (1992) | 3.14 in (1918) |
| August 18 | 102.0°F (1936) | 41.0°F (1977) | 4.72 in (2005) |
| August 19 | 98.1°F (1947) | 42.1°F (1933) | 3.48 in (1912) |
| August 20 | 98.1°F (1947) | 34.0°F (1950) | 3.51 in (2007) |
| August 21 | 99.0°F (1947) | 37.9°F (2004) | 2.36 in (1964) |
| August 22 | 99.0°F (1947) | 37.9°F (2004) | 2.60 in (1959) |
| August 23 | 100.0°F (1948) | 41.0°F (1920) | 2.22 in (1989) |
| August 24 | 100.0°F (2023) | 37.9°F (1942) | 3.07 in (2014) |
| August 25 | 96.1°F (1948) | 37.9°F (1958) | 2.24 in (1902) |
| August 26 | 95.0°F (1948) | 39.9°F (1910) | 1.92 in (1977) |
| August 27 | 95.0°F (1984) | 37.0°F (1896) | 2.83 in (1931) |
| August 28 | 98.1°F (1984) | 37.0°F (1935) | 2.60 in (2021) |
| August 29 | 99.0°F (1984) | 34.0°F (1946) | 3.27 in (1995) |
| August 30 | 93.0°F (1898) | 33.1°F (1915) | 1.75 in (1965) |
| August 31 | 93.9°F (1930) | 35.1°F (1967) | 1.10 in (1923) |