January weather in Castle Pines, CO
The average temperature in Castle Pines in January is 31.8°F (18.0°F–45.6°F). Average precipitation: 0.55 inches. Average snowfall is 8.0 inches.
January is a winter month in Castle Pines, and is cooler than the annual average of 49.5°F. Daily temperatures swing about 27.6°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 30m. For travel, January is cool.
Avg High
45.6°F
Avg Low
18.0°F
Precipitation
0.55 in
Snow
8.0 in
January records in Castle Pines
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 68.0°F (1922) | -22.0°F (1901) | 0.31 in (1911) |
| January 2 | 66.9°F (1927) | -31.0°F (1911) | 0.30 in (1996) |
| January 3 | 73.0°F (1997) | -23.1°F (1911) | 0.50 in (1980) |
| January 4 | 64.9°F (1927) | -16.1°F (1912) | 0.60 in (1963) |
| January 5 | 70.0°F (1927) | -25.1°F (1972) | 0.75 in (1915) |
| January 6 | 66.9°F (2001) | -36.9°F (1913) | 0.50 in (1918) |
| January 7 | 66.9°F (1927) | -32.1°F (1913) | 0.63 in (1986) |
| January 8 | 72.0°F (2022) | -16.1°F (1912) | 0.37 in (1964) |
| January 9 | 63.0°F (1928) | -15.0°F (1973) | 0.25 in (2025) |
| January 10 | 70.0°F (1928) | -14.1°F (1973) | 0.41 in (2011) |
| January 11 | 64.9°F (1995) | -23.1°F (1963) | 0.29 in (2019) |
| January 12 | 66.9°F (1986) | -35.0°F (1963) | 0.66 in (2019) |
| January 13 | 69.1°F (1902) | -22.0°F (1963) | 0.16 in (1982) |
| January 14 | 70.0°F (1996) | -11.0°F (1972) | 0.24 in (1984) |
| January 15 | 64.9°F (1904) | -18.0°F (2024) | 0.50 in (1908) |
| January 16 | 64.9°F (1923) | -16.1°F (1917) | 0.50 in (1981) |
| January 17 | 68.0°F (1923) | -16.1°F (1915) | 0.14 in (1912) |
| January 18 | 68.0°F (2022) | -22.0°F (1984) | 0.50 in (1974) |
| January 19 | 64.9°F (2018) | -18.9°F (1963) | 0.82 in (1988) |
| January 20 | 68.0°F (2018) | -15.0°F (1924) | 0.20 in (2006) |
| January 21 | 69.1°F (2005) | -16.1°F (1906) | 0.50 in (2008) |
| January 22 | 68.0°F (2009) | -18.9°F (1915) | 0.46 in (1968) |
| January 23 | 66.0°F (1981) | -20.9°F (1963) | 0.20 in (2014) |
| January 24 | 69.1°F (2005) | -16.1°F (1897) | 0.95 in (1921) |
| January 25 | 64.9°F (2005) | -20.9°F (1897) | 0.35 in (1976) |
| January 26 | 66.9°F (2002) | -23.1°F (1902) | 0.53 in (2004) |
| January 27 | 66.9°F (2015) | -17.0°F (1902) | 0.26 in (1973) |
| January 28 | 71.1°F (2015) | -13.0°F (1973) | 0.50 in (1994) |
| January 29 | 66.0°F (1928) | -15.0°F (1902) | 0.45 in (2001) |
| January 30 | 66.9°F (2022) | -17.0°F (1979) | 0.25 in (1896) |
| January 31 | 66.0°F (1911) | -17.0°F (1916) | 0.41 in (2002) |