December weather in Sterling, CO
The average temperature in Sterling in December is 28.6°F (15.5°F–41.8°F). Average precipitation: 0.35 inches.
December is a winter month in Sterling, and is cooler than the annual average of 51.4°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
41.8°F
Avg Low
15.5°F
Precipitation
0.35 in
Daylight
9h 6m
December records in Sterling
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (1970) | -14.1°F (1985) | 0.51 in (1933) |
| December 2 | 71.1°F (1998) | -9.9°F (1985) | 0.84 in (1921) |
| December 3 | 68.0°F (2008) | -0.9°F (1919) | 0.45 in (1913) |
| December 4 | 70.0°F (1958) | -2.9°F (1955) | 1.03 in (1913) |
| December 5 | 73.9°F (1980) | -11.9°F (1909) | 0.30 in (1913) |
| December 6 | 72.0°F (1939) | -20.0°F (1972) | 0.20 in (1919) |
| December 7 | 71.1°F (1981) | -18.9°F (1972) | 0.27 in (1919) |
| December 8 | 66.0°F (1915) | -33.0°F (1919) | 0.59 in (1919) |
| December 9 | 72.0°F (1939) | -29.0°F (1919) | 0.68 in (1943) |
| December 10 | 69.1°F (1957) | -17.0°F (1932) | 0.58 in (1923) |
| December 11 | 66.0°F (1987) | -15.0°F (1932) | 0.19 in (1965) |
| December 12 | 64.9°F (1980) | -25.1°F (1932) | 0.38 in (1940) |
| December 13 | 63.0°F (1980) | -20.0°F (1932) | 0.76 in (1925) |
| December 14 | 66.9°F (1946) | -20.9°F (1940) | 0.21 in (1965) |
| December 15 | 64.9°F (1946) | -20.0°F (1940) | 0.50 in (1956) |
| December 16 | 68.0°F (1939) | -16.1°F (1914) | 0.25 in (1999) |
| December 17 | 73.9°F (1939) | -14.1°F (1964) | 0.23 in (1975) |
| December 18 | 69.1°F (1962) | -13.0°F (1964) | 0.16 in (1973) |
| December 19 | 61.0°F (1976) | -27.9°F (1924) | 0.50 in (1925) |
| December 20 | 63.0°F (1934) | -32.1°F (1924) | 0.43 in (1920) |
| December 21 | 69.1°F (1933) | -26.0°F (1924) | 1.07 in (2006) |
| December 22 | 70.0°F (1933) | -35.0°F (1989) | 0.14 in (1968) |
| December 23 | 71.1°F (1933) | -32.1°F (1989) | 0.32 in (1924) |
| December 24 | 68.0°F (1964) | -25.1°F (1924) | 0.40 in (1997) |
| December 25 | 63.0°F (1950) | -22.0°F (1924) | 0.48 in (1939) |
| December 26 | 64.9°F (1950) | -9.9°F (1962) | 0.08 in (1941) |
| December 27 | 64.9°F (1976) | -17.0°F (1911) | 0.26 in (1971) |
| December 28 | 66.0°F (1999) | -15.0°F (1916) | 0.42 in (1979) |
| December 29 | 66.9°F (1980) | -16.1°F (1983) | 0.42 in (1931) |
| December 30 | 63.0°F (1912) | -18.9°F (1911) | 0.19 in (1994) |
| December 31 | 73.0°F (1980) | -25.1°F (1923) | 0.31 in (1924) |