July weather in Union, IA
The average temperature in Union in July is 72.7°F (61.9°F–83.5°F). Average precipitation: 4.06 inches.
July is a summer month in Union, and is warmer than the annual average of 46.9°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 48m. For travel, July is a comfortable month to visit.
Avg High
83.5°F
Avg Low
61.9°F
Precipitation
4.06 in
Daylight
14h 48m
July records in Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 96.1°F (1963) | 48.9°F (1988) | 2.36 in (2014) |
| July 2 | 96.1°F (1970) | 46.0°F (1959) | 1.42 in (1962) |
| July 3 | 97.0°F (1974) | 46.0°F (1967) | 1.93 in (1957) |
| July 4 | 99.0°F (1990) | 46.0°F (1967) | 2.03 in (1994) |
| July 5 | 100.0°F (1977) | 46.0°F (1972) | 1.58 in (2010) |
| July 6 | 100.0°F (1977) | 48.0°F (1972) | 1.58 in (1953) |
| July 7 | 100.0°F (1977) | 46.0°F (1984) | 1.61 in (2015) |
| July 8 | 100.9°F (1980) | 48.9°F (1972) | 5.25 in (1969) |
| July 9 | 99.0°F (1989) | 50.0°F (1959) | 2.56 in (1993) |
| July 10 | 102.0°F (1989) | 48.9°F (1996) | 4.15 in (2000) |
| July 11 | 102.9°F (1989) | 51.1°F (1959) | 3.34 in (2002) |
| July 12 | 100.0°F (1957) | 52.0°F (1959) | 2.61 in (1987) |
| July 13 | 99.0°F (1995) | 46.0°F (1975) | 1.49 in (1992) |
| July 14 | 100.0°F (1995) | 48.0°F (1975) | 1.60 in (1962) |
| July 15 | 100.9°F (1977) | 50.0°F (1967) | 1.86 in (1981) |
| July 16 | 100.9°F (1988) | 50.0°F (1958) | 1.43 in (1982) |
| July 17 | 95.0°F (1977) | 51.1°F (1958) | 2.73 in (1968) |
| July 18 | 98.1°F (1991) | 51.1°F (1976) | 3.73 in (2008) |
| July 19 | 98.1°F (1974) | 53.1°F (1979) | 1.65 in (1962) |
| July 20 | 96.1°F (1977) | 50.0°F (1970) | 0.98 in (1990) |
| July 21 | 99.0°F (1983) | 50.0°F (1970) | 1.83 in (1977) |
| July 22 | 98.1°F (1983) | 50.0°F (2000) | 3.37 in (2010) |
| July 23 | 100.9°F (2012) | 52.0°F (2000) | 1.54 in (2011) |
| July 24 | 100.9°F (2012) | 54.0°F (1957) | 0.78 in (2010) |
| July 25 | 96.1°F (2005) | 51.1°F (2004) | 2.00 in (2001) |
| July 26 | 102.0°F (2012) | 48.9°F (1962) | 2.01 in (2013) |
| July 27 | 97.0°F (1987) | 46.9°F (1962) | 2.38 in (1990) |
| July 28 | 95.0°F (1964) | 48.0°F (2013) | 1.13 in (1976) |
| July 29 | 98.1°F (2006) | 48.0°F (2013) | 1.88 in (1983) |
| July 30 | 98.1°F (1999) | 36.0°F (2005) | 1.55 in (1979) |
| July 31 | 98.1°F (1987) | 45.0°F (1971) | 2.95 in (1964) |