January weather in New Castle, CO
The average temperature in New Castle in January is 24.3°F (12.3°F–36.2°F). Average precipitation: 1.13 inches. Average snowfall is 13.7 inches.
January is a winter month in New Castle, and is cooler than the annual average of 47.6°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 30m. For travel, January is cold.
Avg High
36.2°F
Avg Low
12.3°F
Precipitation
1.13 in
Snow
13.7 in
January records in New Castle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.0°F (1981) | -17.0°F (1979) | 0.70 in (1996) |
| January 2 | 52.0°F (1922) | -16.1°F (1976) | 0.42 in (1934) |
| January 3 | 53.1°F (1981) | -16.1°F (1906) | 0.74 in (1997) |
| January 4 | 50.0°F (1927) | -14.1°F (1970) | 0.40 in (1976) |
| January 5 | 54.0°F (1927) | -16.1°F (1942) | 0.60 in (1988) |
| January 6 | 90.0°F (1994) | -24.0°F (1971) | 0.47 in (1944) |
| January 7 | 52.0°F (1954) | -38.0°F (1913) | 0.63 in (2008) |
| January 8 | 55.9°F (1956) | -16.1°F (1913) | 0.30 in (1957) |
| January 9 | 52.0°F (1911) | -13.0°F (1913) | 1.12 in (1971) |
| January 10 | 54.0°F (1956) | -11.9°F (1962) | 0.83 in (2017) |
| January 11 | 54.0°F (2000) | -16.1°F (1975) | 0.82 in (1980) |
| January 12 | 54.0°F (1928) | -26.0°F (1963) | 0.62 in (1938) |
| January 13 | 52.0°F (1911) | -25.1°F (1963) | 0.48 in (1957) |
| January 14 | 54.0°F (2000) | -11.9°F (1989) | 0.34 in (1980) |
| January 15 | 52.0°F (1913) | -11.9°F (2013) | 0.45 in (1978) |
| January 16 | 50.0°F (1965) | -15.0°F (1917) | 0.69 in (1956) |
| January 17 | 55.0°F (2000) | -16.1°F (1949) | 0.70 in (1914) |
| January 18 | 50.0°F (1916) | -16.1°F (1930) | 0.96 in (1952) |
| January 19 | 54.0°F (2000) | -15.0°F (1940) | 1.30 in (1952) |
| January 20 | 68.0°F (1923) | -14.1°F (1913) | 0.52 in (1962) |
| January 21 | 52.0°F (1950) | -20.0°F (1930) | 0.64 in (1952) |
| January 22 | 54.0°F (1981) | -22.0°F (1930) | 0.46 in (1969) |
| January 23 | 55.0°F (1981) | -18.0°F (1915) | 1.23 in (1948) |
| January 24 | 51.1°F (1954) | -15.0°F (1915) | 0.69 in (1940) |
| January 25 | 51.1°F (1951) | -9.0°F (1966) | 0.70 in (1941) |
| January 26 | 53.1°F (1972) | -15.0°F (1904) | 1.25 in (1969) |
| January 27 | 52.0°F (1931) | -9.9°F (1948) | 0.77 in (1969) |
| January 28 | 57.0°F (2015) | -20.0°F (1948) | 1.00 in (1909) |
| January 29 | 55.9°F (1934) | -18.9°F (1909) | 0.94 in (1951) |
| January 30 | 55.9°F (1954) | -18.9°F (1909) | 0.57 in (1963) |
| January 31 | 60.1°F (1911) | -18.9°F (1916) | 1.23 in (1996) |