December weather in Roy, NM
The average temperature in Roy in December is 34.4°F (21.3°F–47.4°F). Average precipitation: 0.55 inches. Average snowfall is 4.4 inches.
December is a winter month in Roy, and is cooler than the annual average of 52.9°F. Daily temperatures swing about 26.1°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 9h 34m. For travel, December is cool.
Avg High
47.4°F
Avg Low
21.3°F
Precipitation
0.55 in
Snow
4.4 in
December records in Roy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (1973) | 7.0°F (1996) | 0.57 in (1933) |
| December 2 | 68.0°F (1926) | 7.0°F (1991) | 0.92 in (1997) |
| December 3 | 70.0°F (1958) | 7.0°F (2009) | 0.56 in (1925) |
| December 4 | 75.0°F (2007) | 1.0°F (2009) | 1.20 in (1947) |
| December 5 | 70.0°F (1958) | 7.0°F (2011) | 0.60 in (1992) |
| December 6 | 70.0°F (1958) | -6.0°F (2011) | 0.23 in (1912) |
| December 7 | 68.0°F (1918) | -6.0°F (1927) | 0.20 in (1960) |
| December 8 | 66.9°F (1970) | -11.0°F (2005) | 0.33 in (1926) |
| December 9 | 66.0°F (1984) | -13.0°F (1978) | 1.35 in (1943) |
| December 10 | 70.0°F (1975) | -6.0°F (1924) | 0.39 in (1965) |
| December 11 | 70.0°F (2004) | 0.0°F (1985) | 0.82 in (1991) |
| December 12 | 70.0°F (1921) | -14.1°F (1961) | 0.52 in (2001) |
| December 13 | 71.1°F (2010) | -4.0°F (1961) | 0.85 in (2011) |
| December 14 | 70.0°F (1921) | -4.0°F (1987) | 1.00 in (1984) |
| December 15 | 66.9°F (1977) | 1.0°F (1987) | 0.39 in (1959) |
| December 16 | 70.0°F (1921) | 3.0°F (1965) | 0.58 in (1913) |
| December 17 | 77.0°F (1980) | 1.0°F (1992) | 0.27 in (1986) |
| December 18 | 64.9°F (1979) | -5.1°F (1996) | 0.16 in (1962) |
| December 19 | 64.9°F (1955) | -2.9°F (1924) | 1.22 in (1911) |
| December 20 | 71.1°F (1981) | -2.9°F (1924) | 1.02 in (1938) |
| December 21 | 66.0°F (1955) | -6.0°F (1983) | 0.45 in (1923) |
| December 22 | 71.1°F (1955) | -11.0°F (1990) | 0.95 in (1997) |
| December 23 | 73.9°F (1955) | -17.0°F (1990) | 0.67 in (1918) |
| December 24 | 72.0°F (1955) | -9.9°F (2004) | 0.25 in (1987) |
| December 25 | 69.1°F (1980) | -13.0°F (1924) | 0.63 in (1939) |
| December 26 | 70.0°F (2005) | 0.0°F (1913) | 1.31 in (2000) |
| December 27 | 69.1°F (1980) | -2.9°F (1987) | 0.57 in (1979) |
| December 28 | 64.0°F (1976) | -8.0°F (1966) | 0.21 in (1983) |
| December 29 | 62.1°F (1919) | -9.9°F (1983) | 0.60 in (2006) |
| December 30 | 70.0°F (1980) | -7.1°F (1983) | 0.27 in (2001) |
| December 31 | 66.0°F (1996) | 3.0°F (1918) | 0.34 in (1918) |