December weather in Colby, KS
The average temperature in Colby in December is 30.2°F (16.4°F–44.1°F). Average precipitation: 0.51 inches. Average snowfall is 3.9 inches.
December is a winter month in Colby, and is cooler than the annual average of 51.8°F. Daily temperatures swing about 27.7°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 14m. For travel, December is cold.
Avg High
44.1°F
Avg Low
16.4°F
Precipitation
0.51 in
Snow
3.9 in
December records in Colby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 77.0°F (2003) | -0.9°F (1985) | 0.22 in (1986) |
| December 2 | 73.9°F (1998) | -6.0°F (1985) | 0.19 in (2018) |
| December 3 | 80.1°F (2021) | 1.0°F (1985) | 0.49 in (2011) |
| December 4 | 72.0°F (1959) | 3.9°F (1978) | 0.35 in (1960) |
| December 5 | 75.0°F (1965) | -4.0°F (2013) | 0.13 in (1958) |
| December 6 | 66.9°F (1963) | -14.1°F (1972) | 0.12 in (1969) |
| December 7 | 75.0°F (2023) | -11.0°F (1972) | 0.37 in (1994) |
| December 8 | 70.0°F (2008) | -13.0°F (2005) | 0.11 in (2007) |
| December 9 | 70.0°F (1970) | -9.9°F (2005) | 0.32 in (2009) |
| December 10 | 73.9°F (1996) | -17.0°F (1972) | 0.11 in (1972) |
| December 11 | 70.0°F (1990) | -14.1°F (1972) | 0.48 in (1960) |
| December 12 | 73.9°F (2025) | -18.9°F (1961) | 0.42 in (1991) |
| December 13 | 70.0°F (2021) | -14.1°F (1961) | 0.42 in (1968) |
| December 14 | 72.0°F (1988) | -11.9°F (1963) | 0.53 in (2023) |
| December 15 | 66.9°F (1962) | -11.9°F (1989) | 0.71 in (2014) |
| December 16 | 66.0°F (2002) | -9.9°F (1989) | 0.07 in (1965) |
| December 17 | 73.9°F (1962) | -7.1°F (1964) | 0.27 in (1977) |
| December 18 | 75.9°F (1980) | -18.9°F (2016) | 0.30 in (1999) |
| December 19 | 75.0°F (2013) | -18.0°F (1989) | 0.48 in (2008) |
| December 20 | 68.0°F (2023) | -9.9°F (1983) | 0.94 in (2006) |
| December 21 | 64.9°F (1981) | -15.0°F (1983) | 0.17 in (2006) |
| December 22 | 64.9°F (2019) | -32.1°F (1989) | 0.34 in (1997) |
| December 23 | 79.0°F (2025) | -29.9°F (1989) | 0.40 in (1991) |
| December 24 | 82.9°F (1964) | -15.0°F (1983) | 0.11 in (2009) |
| December 25 | 73.9°F (2025) | -14.1°F (1983) | 0.60 in (1982) |
| December 26 | 77.0°F (2025) | -9.0°F (2012) | 0.04 in (2009) |
| December 27 | 69.1°F (2005) | -4.0°F (2012) | 0.60 in (2018) |
| December 28 | 73.9°F (1980) | -2.9°F (2012) | 0.45 in (1979) |
| December 29 | 70.0°F (2002) | -9.9°F (1983) | 0.58 in (2006) |
| December 30 | 64.9°F (1996) | -24.0°F (1990) | 1.87 in (2006) |
| December 31 | 66.9°F (2016) | -23.1°F (1990) | 0.65 in (2006) |