October weather in Union, IA
The average temperature in Union in October is 50.0°F (38.2°F–61.7°F). Average precipitation: 2.80 inches. Average snowfall is 0.3 inches.
October is a fall month in Union, and is warmer than the annual average of 46.9°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 49m. For travel, October is a comfortable month to visit.
Avg High
61.7°F
Avg Low
38.2°F
Precipitation
2.80 in
Snow
0.3 in
October records in Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (2002) | 28.0°F (1958) | 1.70 in (2018) |
| October 2 | 90.0°F (1976) | 25.0°F (1974) | 2.46 in (2019) |
| October 3 | 93.9°F (1976) | 24.1°F (1974) | 1.77 in (2007) |
| October 4 | 93.9°F (1997) | 26.1°F (1968) | 0.88 in (1986) |
| October 5 | 93.9°F (1963) | 26.1°F (1968) | 1.21 in (1998) |
| October 6 | 91.9°F (1963) | 25.0°F (2012) | 1.78 in (1955) |
| October 7 | 89.1°F (1997) | 21.9°F (2012) | 2.20 in (2017) |
| October 8 | 86.0°F (1993) | 21.9°F (2000) | 1.27 in (1977) |
| October 9 | 84.9°F (2010) | 21.9°F (2000) | 2.07 in (1970) |
| October 10 | 87.1°F (2010) | 21.9°F (1964) | 1.05 in (1961) |
| October 11 | 82.0°F (1962) | 21.0°F (1987) | 2.95 in (1973) |
| October 12 | 82.9°F (2015) | 21.9°F (1987) | 2.15 in (1986) |
| October 13 | 90.0°F (1975) | 26.1°F (1980) | 2.03 in (1997) |
| October 14 | 90.0°F (1975) | 26.1°F (1983) | 2.75 in (2012) |
| October 15 | 84.0°F (1958) | 26.1°F (2006) | 2.05 in (1998) |
| October 16 | 84.0°F (1968) | 26.1°F (1976) | 0.79 in (1984) |
| October 17 | 81.0°F (1961) | 24.1°F (1976) | 0.92 in (1984) |
| October 18 | 82.9°F (2016) | 19.9°F (2022) | 2.03 in (1998) |
| October 19 | 81.0°F (2003) | 17.1°F (2022) | 0.65 in (1969) |
| October 20 | 87.1°F (2003) | 18.0°F (1972) | 1.06 in (1982) |
| October 21 | 84.9°F (2003) | 24.1°F (1960) | 1.45 in (1951) |
| October 22 | 79.0°F (1978) | 19.0°F (1976) | 1.90 in (1979) |
| October 23 | 82.9°F (2022) | 19.0°F (1976) | 1.95 in (2009) |
| October 24 | 79.0°F (1991) | 19.9°F (1981) | 1.24 in (1980) |
| October 25 | 78.1°F (1989) | 19.9°F (2020) | 2.14 in (2021) |
| October 26 | 79.0°F (1989) | 19.9°F (1962) | 1.61 in (2016) |
| October 27 | 79.0°F (1966) | 17.1°F (1997) | 0.49 in (1970) |
| October 28 | 77.0°F (1983) | 17.1°F (1997) | 1.02 in (2015) |
| October 29 | 75.0°F (2016) | 21.0°F (1967) | 1.68 in (1961) |
| October 30 | 80.1°F (2004) | 18.0°F (1988) | 1.43 in (2009) |
| October 31 | 72.0°F (1964) | 18.0°F (1993) | 2.80 in (1974) |