January weather in Union, IA
The average temperature in Union in January is 17.1°F (8.4°F–25.8°F). Average precipitation: 1.06 inches. Average snowfall is 8.1 inches.
January is a winter month in Union, and is cooler than the annual average of 46.9°F. Daily temperatures swing about 17.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 14m. For travel, January is cold.
Avg High
25.8°F
Avg Low
8.4°F
Precipitation
1.06 in
Snow
8.1 in
January records in Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.0°F (2007) | -24.0°F (2018) | 0.56 in (1978) |
| January 2 | 46.0°F (1964) | -24.0°F (2018) | 1.01 in (1966) |
| January 3 | 51.1°F (1998) | -20.0°F (2010) | 0.65 in (1986) |
| January 4 | 48.9°F (2007) | -16.1°F (1959) | 0.91 in (1973) |
| January 5 | 48.0°F (2007) | -18.9°F (1999) | 0.57 in (1991) |
| January 6 | 59.0°F (2012) | -20.9°F (1988) | 0.65 in (2005) |
| January 7 | 46.9°F (2012) | -18.9°F (1988) | 0.32 in (2010) |
| January 8 | 55.9°F (2003) | -18.9°F (1970) | 0.42 in (1964) |
| January 9 | 57.9°F (2002) | -20.0°F (1977) | 0.10 in (1974) |
| January 10 | 55.0°F (2020) | -24.0°F (1982) | 0.39 in (2009) |
| January 11 | 55.0°F (2012) | -24.0°F (1982) | 0.77 in (1975) |
| January 12 | 52.0°F (2002) | -24.0°F (1974) | 0.50 in (1993) |
| January 13 | 48.9°F (1976) | -27.0°F (1974) | 0.31 in (1993) |
| January 14 | 55.9°F (1996) | -20.9°F (1982) | 0.53 in (2001) |
| January 15 | 44.1°F (1980) | -24.0°F (1982) | 0.84 in (2022) |
| January 16 | 59.0°F (1990) | -23.1°F (1977) | 0.41 in (1980) |
| January 17 | 52.0°F (1990) | -22.0°F (1977) | 0.49 in (2017) |
| January 18 | 52.0°F (1996) | -22.0°F (1994) | 0.54 in (2020) |
| January 19 | 51.1°F (1981) | -23.1°F (1994) | 0.41 in (1952) |
| January 20 | 48.9°F (1981) | -23.1°F (1994) | 0.50 in (1988) |
| January 21 | 51.1°F (1968) | -27.0°F (1970) | 0.47 in (1998) |
| January 22 | 48.9°F (1964) | -26.0°F (1970) | 0.96 in (2018) |
| January 23 | 55.9°F (2002) | -24.0°F (1963) | 0.78 in (1982) |
| January 24 | 54.0°F (1981) | -16.1°F (2008) | 0.56 in (2010) |
| January 25 | 61.0°F (1981) | -15.0°F (1961) | 1.16 in (1967) |
| January 26 | 60.1°F (1981) | -18.0°F (2022) | 0.48 in (2021) |
| January 27 | 66.0°F (2002) | -16.1°F (2022) | 0.62 in (1994) |
| January 28 | 57.9°F (2002) | -16.1°F (1963) | 0.60 in (2001) |
| January 29 | 50.0°F (1976) | -24.0°F (1966) | 0.51 in (2013) |
| January 30 | 50.0°F (1964) | -26.0°F (2019) | 0.73 in (2001) |
| January 31 | 55.0°F (2012) | -26.0°F (2019) | 0.16 in (1965) |