December weather in Hillsboro, WI
The average temperature in Hillsboro in December is 23.6°F (14.6°F–32.7°F). Average precipitation: 1.62 inches. Average snowfall is 7.4 inches.
December is a winter month in Hillsboro, and is cooler than the annual average of 46°F. Daily temperatures swing about 18.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 46m. For travel, December is cold.
Avg High
32.7°F
Avg Low
14.6°F
Precipitation
1.62 in
Snow
7.4 in
December records in Hillsboro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1970) | -4.0°F (1971) | 0.63 in (1985) |
| December 2 | 64.0°F (1982) | -18.9°F (1985) | 1.44 in (2007) |
| December 3 | 60.1°F (1961) | -13.0°F (1985) | 0.72 in (1990) |
| December 4 | 57.0°F (1998) | -7.1°F (1984) | 0.49 in (1982) |
| December 5 | 63.0°F (2001) | -9.0°F (1976) | 0.70 in (1982) |
| December 6 | 64.0°F (2001) | -20.9°F (1976) | 0.33 in (2004) |
| December 7 | 48.9°F (2001) | -20.0°F (1972) | 0.68 in (1974) |
| December 8 | 46.0°F (1984) | -8.0°F (1976) | 0.62 in (1967) |
| December 9 | 52.0°F (1999) | -9.0°F (1978) | 0.78 in (2009) |
| December 10 | 46.9°F (1959) | -16.1°F (1978) | 0.55 in (2004) |
| December 11 | 54.0°F (1979) | -18.9°F (1972) | 0.78 in (1965) |
| December 12 | 55.0°F (1968) | -16.1°F (1985) | 0.92 in (1965) |
| December 13 | 52.0°F (1968) | -23.1°F (1961) | 0.41 in (2001) |
| December 14 | 57.9°F (1975) | -18.0°F (1985) | 0.55 in (1975) |
| December 15 | 54.0°F (1984) | -23.1°F (1961) | 0.69 in (1971) |
| December 16 | 57.9°F (1959) | -23.1°F (1985) | 0.70 in (1992) |
| December 17 | 46.9°F (1997) | -27.0°F (1983) | 0.48 in (1961) |
| December 18 | 46.0°F (1962) | -33.0°F (1983) | 0.21 in (2002) |
| December 19 | 55.0°F (2002) | -27.9°F (1983) | 0.76 in (1987) |
| December 20 | 51.1°F (1967) | -23.1°F (1985) | 0.19 in (1991) |
| December 21 | 54.0°F (1967) | -22.0°F (1989) | 0.63 in (1984) |
| December 22 | 46.9°F (1994) | -25.1°F (1990) | 0.63 in (1984) |
| December 23 | 48.0°F (1965) | -25.1°F (1983) | 0.79 in (2007) |
| December 24 | 48.0°F (1979) | -26.0°F (1983) | 0.71 in (2009) |
| December 25 | 52.0°F (1982) | -29.9°F (1990) | 1.10 in (2009) |
| December 26 | 50.0°F (1994) | -29.9°F (1962) | 0.46 in (1988) |
| December 27 | 52.0°F (1984) | -18.9°F (1964) | 0.89 in (1982) |
| December 28 | 59.0°F (1984) | -20.9°F (2000) | 1.00 in (1959) |
| December 29 | 50.0°F (2003) | -23.1°F (1970) | 0.36 in (2000) |
| December 30 | 48.9°F (1999) | -18.9°F (1963) | 0.47 in (1971) |
| December 31 | 55.0°F (2004) | -20.0°F (1976) | 0.20 in (1968) |