January weather in Westfield, WI
The average temperature in Westfield in January is 17.1°F (8.0°F–26.2°F). Average precipitation: 1.36 inches. Average snowfall is 10.9 inches.
January is a winter month in Westfield, and is cooler than the annual average of 45.6°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 4m. For travel, January is cold.
Avg High
26.2°F
Avg Low
8.0°F
Precipitation
1.36 in
Snow
10.9 in
January records in Westfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.0°F (2007) | -17.0°F (1969) | 0.41 in (2019) |
| January 2 | 46.0°F (1998) | -26.0°F (1979) | 0.44 in (2005) |
| January 3 | 52.0°F (1998) | -17.0°F (1979) | 0.79 in (1971) |
| January 4 | 52.0°F (1998) | -18.0°F (1969) | 0.59 in (1971) |
| January 5 | 46.9°F (2007) | -24.0°F (1999) | 0.53 in (1998) |
| January 6 | 50.0°F (2019) | -20.9°F (1970) | 0.69 in (1967) |
| January 7 | 53.1°F (2012) | -20.9°F (2014) | 0.56 in (2019) |
| January 8 | 48.0°F (2003) | -23.1°F (1971) | 0.69 in (1969) |
| January 9 | 55.9°F (2003) | -35.0°F (1977) | 1.28 in (2026) |
| January 10 | 55.0°F (2002) | -20.0°F (2014) | 0.42 in (2000) |
| January 11 | 51.1°F (2012) | -31.0°F (1979) | 0.53 in (2017) |
| January 12 | 54.0°F (2012) | -20.9°F (1969) | 0.98 in (1960) |
| January 13 | 52.0°F (2006) | -14.1°F (1963) | 0.90 in (2024) |
| January 14 | 50.0°F (1961) | -22.0°F (1965) | 0.30 in (2001) |
| January 15 | 52.0°F (1990) | -35.0°F (1963) | 0.40 in (1998) |
| January 16 | 46.9°F (1974) | -27.9°F (1963) | 0.60 in (1980) |
| January 17 | 48.9°F (1973) | -22.0°F (2009) | 0.82 in (2023) |
| January 18 | 51.1°F (1973) | -29.9°F (1994) | 0.57 in (1973) |
| January 19 | 48.9°F (1996) | -32.1°F (1994) | 0.74 in (1996) |
| January 20 | 46.9°F (2013) | -32.1°F (1994) | 1.09 in (1988) |
| January 21 | 48.9°F (1964) | -31.0°F (1984) | 0.54 in (1959) |
| January 22 | 52.0°F (1964) | -18.0°F (2025) | 0.64 in (2005) |
| January 23 | 46.9°F (2002) | -32.1°F (1963) | 0.56 in (1965) |
| January 24 | 48.0°F (1989) | -20.0°F (1963) | 0.55 in (1967) |
| January 25 | 50.0°F (1973) | -20.9°F (1966) | 0.42 in (2017) |
| January 26 | 54.0°F (2002) | -25.1°F (2019) | 0.88 in (1974) |
| January 27 | 52.0°F (2002) | -23.1°F (1988) | 0.45 in (1996) |
| January 28 | 55.9°F (2002) | -24.0°F (1966) | 0.39 in (2019) |
| January 29 | 48.9°F (2025) | -27.0°F (1966) | 0.81 in (2013) |
| January 30 | 46.9°F (2013) | -26.0°F (2019) | 0.87 in (2001) |
| January 31 | 55.9°F (2025) | -34.1°F (2019) | 0.90 in (1988) |