January weather in New Underwood, SD
The average temperature in New Underwood in January is 24.3°F (12.7°F–36.0°F). Average precipitation: 0.31 inches. Average snowfall is 5.3 inches.
January is a winter month in New Underwood, and is cooler than the annual average of 46.7°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 3m. For travel, January is cold.
Avg High
36.0°F
Avg Low
12.7°F
Precipitation
0.31 in
Snow
5.3 in
January records in New Underwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 63.0°F (1998) | -20.0°F (1974) | 0.28 in (1970) |
| January 2 | 66.0°F (1998) | -16.1°F (1968) | 0.16 in (2023) |
| January 3 | 61.0°F (2012) | -24.0°F (1950) | 1.20 in (2025) |
| January 4 | 66.9°F (2026) | -27.0°F (1950) | 0.37 in (1997) |
| January 5 | 73.0°F (2012) | -17.0°F (1979) | 0.16 in (1976) |
| January 6 | 64.0°F (1954) | -20.9°F (1982) | 0.15 in (1999) |
| January 7 | 64.0°F (2002) | -18.0°F (1968) | 0.35 in (1975) |
| January 8 | 72.0°F (2002) | -18.0°F (1976) | 0.30 in (1993) |
| January 9 | 73.9°F (1953) | -20.0°F (1988) | 0.15 in (1993) |
| January 10 | 66.0°F (1990) | -24.0°F (1982) | 0.19 in (1963) |
| January 11 | 68.0°F (1987) | -20.9°F (1982) | 0.18 in (2005) |
| January 12 | 75.9°F (1987) | -17.9°F (2024) | 0.26 in (1979) |
| January 13 | 62.1°F (1983) | -20.7°F (2024) | 0.14 in (1994) |
| January 14 | 69.1°F (2006) | -23.1°F (1979) | 0.39 in (1953) |
| January 15 | 63.0°F (2000) | -22.0°F (1950) | 0.30 in (1985) |
| January 16 | 68.0°F (1973) | -26.0°F (1982) | 0.16 in (2023) |
| January 17 | 62.1°F (1972) | -11.9°F (1949) | 0.22 in (1996) |
| January 18 | 59.0°F (1989) | -22.0°F (1963) | 0.19 in (1975) |
| January 19 | 66.0°F (2005) | -26.0°F (1963) | 0.07 in (1963) |
| January 20 | 64.0°F (2009) | -25.1°F (1949) | 0.26 in (2008) |
| January 21 | 64.0°F (1989) | -25.1°F (1949) | 0.28 in (1986) |
| January 22 | 62.1°F (1981) | -18.0°F (1962) | 0.19 in (1965) |
| January 23 | 68.0°F (2005) | -20.9°F (1963) | 0.25 in (1964) |
| January 24 | 69.1°F (1968) | -22.0°F (1957) | 0.21 in (1970) |
| January 25 | 66.0°F (2006) | -20.9°F (1957) | 0.10 in (1954) |
| January 26 | 68.0°F (2015) | -23.1°F (1957) | 0.16 in (1975) |
| January 27 | 73.0°F (2015) | -23.1°F (1972) | 0.16 in (1977) |
| January 28 | 66.0°F (1988) | -23.1°F (1951) | 0.27 in (1975) |
| January 29 | 64.0°F (1960) | -25.1°F (1951) | 0.21 in (2001) |
| January 30 | 72.0°F (1989) | -23.8°F (2023) | 0.65 in (1971) |
| January 31 | 68.0°F (1992) | -20.9°F (1996) | 0.23 in (1971) |