January weather in Rockdale, WI
The average temperature in Rockdale in January is 19.2°F (10.7°F–27.7°F). Average precipitation: 1.51 inches. Average snowfall is 10.7 inches.
January is a winter month in Rockdale, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 10m. For travel, January is cold.
Avg High
27.7°F
Avg Low
10.7°F
Precipitation
1.51 in
Snow
10.7 in
January records in Rockdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 51.1°F (2011) | -18.0°F (1947) | 0.55 in (1978) |
| January 2 | 48.0°F (1950) | -22.0°F (1979) | 1.70 in (1942) |
| January 3 | 55.9°F (2000) | -22.0°F (1979) | 1.15 in (2006) |
| January 4 | 53.1°F (1998) | -18.0°F (2014) | 1.23 in (1971) |
| January 5 | 57.9°F (1997) | -20.9°F (1999) | 0.92 in (1946) |
| January 6 | 48.9°F (2007) | -20.0°F (1942) | 0.47 in (2005) |
| January 7 | 52.0°F (2008) | -26.0°F (1942) | 0.52 in (1962) |
| January 8 | 57.9°F (2008) | -23.1°F (1986) | 0.50 in (2019) |
| January 9 | 57.0°F (2026) | -22.0°F (1977) | 0.62 in (2008) |
| January 10 | 53.1°F (2002) | -25.1°F (1982) | 0.29 in (2024) |
| January 11 | 53.1°F (2018) | -29.9°F (1979) | 0.50 in (2013) |
| January 12 | 53.1°F (2012) | -27.9°F (1979) | 0.96 in (1960) |
| January 13 | 53.1°F (2006) | -15.0°F (1963) | 1.21 in (1960) |
| January 14 | 51.1°F (2026) | -15.0°F (1963) | 1.07 in (1979) |
| January 15 | 52.0°F (1953) | -31.0°F (1963) | 1.05 in (1960) |
| January 16 | 50.0°F (1973) | -25.1°F (1963) | 0.75 in (1969) |
| January 17 | 51.1°F (1990) | -27.0°F (1982) | 0.62 in (2017) |
| January 18 | 53.1°F (1996) | -29.9°F (1994) | 0.50 in (1999) |
| January 19 | 57.9°F (1996) | -29.0°F (1994) | 0.73 in (1952) |
| January 20 | 50.0°F (2006) | -29.9°F (1994) | 1.29 in (1988) |
| January 21 | 50.0°F (1964) | -27.0°F (1985) | 0.38 in (1990) |
| January 22 | 57.0°F (1965) | -18.0°F (1970) | 0.83 in (2018) |
| January 23 | 50.0°F (1967) | -29.9°F (1963) | 1.10 in (1965) |
| January 24 | 54.0°F (1950) | -18.9°F (2011) | 0.60 in (1965) |
| January 25 | 57.9°F (1967) | -20.9°F (1963) | 1.04 in (1950) |
| January 26 | 57.9°F (1944) | -26.0°F (2019) | 0.24 in (1976) |
| January 27 | 54.0°F (1944) | -27.0°F (2019) | 1.10 in (1974) |
| January 28 | 57.9°F (2002) | -25.1°F (1963) | 0.31 in (2019) |
| January 29 | 46.9°F (2006) | -23.1°F (1966) | 1.36 in (2013) |
| January 30 | 57.9°F (2013) | -33.0°F (1951) | 0.84 in (2001) |
| January 31 | 57.0°F (2025) | -31.0°F (2019) | 0.39 in (2013) |