January weather in Newton, IA
The average temperature in Newton in January is 19.2°F (10.4°F–28.0°F). Average precipitation: 0.93 inches. Average snowfall is 9.2 inches.
January is a winter month in Newton, and is cooler than the annual average of 48.6°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 18m. For travel, January is cold.
Avg High
28.0°F
Avg Low
10.4°F
Precipitation
0.93 in
Snow
9.2 in
January records in Newton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 60.1°F (1897) | -20.9°F (2018) | 0.72 in (1978) |
| January 2 | 53.1°F (1897) | -20.9°F (2018) | 1.20 in (1999) |
| January 3 | 54.0°F (1998) | -18.0°F (2010) | 0.65 in (2023) |
| January 4 | 51.1°F (1998) | -15.0°F (1959) | 0.64 in (1971) |
| January 5 | 59.0°F (1956) | -20.9°F (1999) | 0.53 in (1991) |
| January 6 | 62.1°F (2012) | -16.1°F (1971) | 0.48 in (1989) |
| January 7 | 53.1°F (2012) | -18.0°F (1968) | 0.38 in (2010) |
| January 8 | 57.9°F (2003) | -16.1°F (1970) | 0.29 in (2016) |
| January 9 | 64.0°F (2003) | -18.0°F (1977) | 0.51 in (2024) |
| January 10 | 57.9°F (2020) | -31.0°F (1982) | 0.44 in (2009) |
| January 11 | 55.0°F (2012) | -15.0°F (1982) | 0.78 in (1898) |
| January 12 | 57.0°F (1961) | -27.9°F (1974) | 1.59 in (1960) |
| January 13 | 60.1°F (1987) | -17.0°F (1893) | 1.46 in (1960) |
| January 14 | 55.0°F (1952) | -20.0°F (1957) | 0.35 in (2001) |
| January 15 | 54.0°F (1990) | -23.1°F (2009) | 0.81 in (2022) |
| January 16 | 55.9°F (1990) | -24.0°F (2009) | 0.52 in (1969) |
| January 17 | 57.9°F (1894) | -24.0°F (2009) | 0.56 in (2017) |
| January 18 | 57.9°F (1951) | -18.9°F (1994) | 0.52 in (1996) |
| January 19 | 54.0°F (2013) | -20.0°F (1985) | 0.64 in (1996) |
| January 20 | 57.9°F (1895) | -22.0°F (1985) | 0.78 in (1974) |
| January 21 | 55.0°F (1964) | -24.0°F (1970) | 0.34 in (1959) |
| January 22 | 55.0°F (1964) | -15.0°F (1949) | 0.88 in (2018) |
| January 23 | 57.0°F (2002) | -23.1°F (1963) | 0.62 in (1965) |
| January 24 | 61.0°F (1981) | -23.1°F (1894) | 0.50 in (2010) |
| January 25 | 61.0°F (1981) | -27.0°F (1894) | 1.02 in (1967) |
| January 26 | 59.0°F (2002) | -14.1°F (1897) | 0.96 in (1950) |
| January 27 | 68.0°F (2002) | -15.0°F (1963) | 0.79 in (1949) |
| January 28 | 61.0°F (2002) | -15.0°F (1972) | 0.36 in (1995) |
| January 29 | 57.0°F (2013) | -23.1°F (1966) | 0.80 in (1989) |
| January 30 | 55.9°F (1988) | -23.1°F (2019) | 0.47 in (2001) |
| January 31 | 66.9°F (1989) | -22.0°F (2019) | 0.23 in (2021) |