January weather in Dellwood, MO
The average temperature in Dellwood in January is 32.1°F (23.8°F–40.4°F). Average precipitation: 2.59 inches. Average snowfall is 5.7 inches.
January is a winter month in Dellwood, and is cooler than the annual average of 57.4°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 34m. For travel, January is cold.
Avg High
40.4°F
Avg Low
23.8°F
Precipitation
2.59 in
Snow
5.7 in
January records in Dellwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 70.0°F (1965) | -9.9°F (1974) | 0.78 in (2021) |
| January 2 | 72.0°F (1997) | -2.9°F (1940) | 0.84 in (1996) |
| January 3 | 72.0°F (2023) | 0.0°F (1940) | 4.16 in (1950) |
| January 4 | 72.0°F (1997) | -4.0°F (1959) | 2.20 in (2004) |
| January 5 | 66.0°F (2012) | -9.9°F (1940) | 1.87 in (2025) |
| January 6 | 73.0°F (2008) | -7.8°F (2014) | 0.63 in (1962) |
| January 7 | 73.0°F (1965) | -7.1°F (1968) | 0.69 in (1998) |
| January 8 | 71.1°F (2006) | -7.1°F (1976) | 1.56 in (2008) |
| January 9 | 66.0°F (2026) | -5.1°F (1962) | 0.88 in (1987) |
| January 10 | 68.0°F (2017) | -15.0°F (1982) | 2.16 in (2020) |
| January 11 | 71.1°F (2017) | -8.0°F (1977) | 1.41 in (2020) |
| January 12 | 69.1°F (1995) | -9.0°F (1974) | 1.67 in (2005) |
| January 13 | 66.9°F (1952) | -0.9°F (1997) | 2.12 in (1995) |
| January 14 | 66.9°F (1952) | -7.1°F (1979) | 1.14 in (1962) |
| January 15 | 68.0°F (1990) | -8.0°F (1979) | 0.55 in (1997) |
| January 16 | 71.1°F (1990) | -14.1°F (1977) | 0.84 in (1978) |
| January 17 | 70.0°F (1952) | -11.9°F (1977) | 1.02 in (2004) |
| January 18 | 71.1°F (1974) | -13.0°F (1940) | 1.62 in (1949) |
| January 19 | 75.0°F (1952) | -14.1°F (1940) | 1.36 in (1988) |
| January 20 | 64.0°F (2006) | -18.0°F (1985) | 0.95 in (1993) |
| January 21 | 75.0°F (1986) | -8.0°F (1970) | 0.74 in (1958) |
| January 22 | 72.0°F (1967) | 1.0°F (1961) | 0.76 in (2018) |
| January 23 | 75.0°F (1967) | -11.0°F (1963) | 0.87 in (1999) |
| January 24 | 77.0°F (1950) | -6.0°F (1963) | 0.63 in (1997) |
| January 25 | 75.0°F (1950) | -7.1°F (1940) | 1.21 in (2021) |
| January 26 | 64.0°F (2002) | -7.1°F (1940) | 2.13 in (1967) |
| January 27 | 71.1°F (1944) | -6.0°F (1963) | 1.00 in (1949) |
| January 28 | 75.9°F (1970) | -9.0°F (1963) | 0.58 in (2006) |
| January 29 | 73.0°F (2008) | -8.0°F (1966) | 1.44 in (2013) |
| January 30 | 66.9°F (2012) | -5.8°F (2019) | 1.92 in (1982) |
| January 31 | 73.9°F (1989) | -7.1°F (1965) | 1.62 in (1988) |