December weather in Grover, CO
The average temperature in Grover in December is 26.8°F (13.0°F–40.7°F). Average precipitation: 0.40 inches. Average snowfall is 3.5 inches.
December is a winter month in Grover, and is cooler than the annual average of 46.9°F. Daily temperatures swing about 27.7°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 5m. For travel, December is cold.
Avg High
40.7°F
Avg Low
13.0°F
Precipitation
0.40 in
Snow
3.5 in
December records in Grover
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (1998) | -18.0°F (1985) | 0.20 in (1982) |
| December 2 | 69.1°F (1951) | -20.0°F (1985) | 0.44 in (1978) |
| December 3 | 66.9°F (1959) | -5.1°F (1978) | 0.19 in (1953) |
| December 4 | 64.9°F (1965) | -5.1°F (1992) | 0.32 in (1960) |
| December 5 | 64.9°F (1949) | -9.0°F (1972) | 0.30 in (1992) |
| December 6 | 68.0°F (1981) | -26.0°F (1972) | 0.16 in (1994) |
| December 7 | 66.0°F (1991) | -16.1°F (2005) | 0.16 in (1988) |
| December 8 | 64.9°F (1996) | -18.9°F (2005) | 0.19 in (1953) |
| December 9 | 66.9°F (1996) | -14.1°F (1972) | 0.74 in (1985) |
| December 10 | 66.9°F (1975) | -29.0°F (1985) | 0.43 in (1970) |
| December 11 | 66.9°F (1990) | -29.0°F (1985) | 0.09 in (1949) |
| December 12 | 93.0°F (1983) | -27.9°F (1985) | 0.32 in (1958) |
| December 13 | 62.1°F (1962) | -11.9°F (1985) | 0.48 in (1952) |
| December 14 | 64.9°F (1969) | -11.0°F (1984) | 0.44 in (1956) |
| December 15 | 62.1°F (1962) | -8.0°F (1955) | 0.18 in (1989) |
| December 16 | 68.0°F (1962) | -5.1°F (1965) | 0.22 in (1993) |
| December 17 | 70.0°F (1980) | -22.0°F (1964) | 0.18 in (1975) |
| December 18 | 62.1°F (1976) | -9.9°F (1964) | 0.18 in (1973) |
| December 19 | 59.0°F (1966) | -9.0°F (1990) | 0.21 in (1998) |
| December 20 | 64.0°F (1954) | -23.1°F (1983) | 0.11 in (1951) |
| December 21 | 61.0°F (1994) | -25.1°F (1983) | 0.17 in (1963) |
| December 22 | 62.1°F (1954) | -31.0°F (1990) | 0.09 in (1948) |
| December 23 | 63.0°F (1955) | -23.1°F (1983) | 0.30 in (1948) |
| December 24 | 64.0°F (1955) | -23.1°F (1983) | 0.38 in (1973) |
| December 25 | 64.9°F (1971) | -18.0°F (1948) | 0.20 in (1983) |
| December 26 | 63.0°F (1980) | -9.9°F (1948) | 0.23 in (1967) |
| December 27 | 66.0°F (1980) | -9.0°F (1988) | 0.50 in (1979) |
| December 28 | 64.9°F (1980) | -16.1°F (1954) | 0.27 in (1979) |
| December 29 | 61.0°F (1999) | -17.0°F (1983) | 0.36 in (1963) |
| December 30 | 66.0°F (1980) | -18.9°F (1978) | 0.32 in (1973) |
| December 31 | 61.0°F (1996) | -16.1°F (1967) | 0.27 in (1995) |