December weather in Pecos, NM
The average temperature in Pecos in December is 32.2°F (17.8°F–46.7°F). Average precipitation: 0.97 inches. Average snowfall is 7.3 inches.
December is a winter month in Pecos, and is cooler than the annual average of 50°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 36m. For travel, December is cool.
Avg High
46.7°F
Avg Low
17.8°F
Precipitation
0.97 in
Snow
7.3 in
December records in Pecos
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (1995) | -9.0°F (1976) | 1.01 in (2007) |
| December 2 | 64.9°F (1954) | 3.0°F (2004) | 1.43 in (2019) |
| December 3 | 72.0°F (1954) | -0.9°F (1968) | 0.56 in (1964) |
| December 4 | 73.9°F (2007) | -6.0°F (2009) | 0.64 in (2023) |
| December 5 | 70.0°F (1987) | 1.9°F (2005) | 0.84 in (1942) |
| December 6 | 71.1°F (1939) | -9.9°F (2011) | 0.45 in (2013) |
| December 7 | 71.1°F (1939) | -0.9°F (1976) | 0.34 in (1966) |
| December 8 | 69.1°F (1940) | -11.0°F (2005) | 0.15 in (1986) |
| December 9 | 75.0°F (1939) | -5.1°F (1978) | 0.55 in (1982) |
| December 10 | 66.9°F (1950) | -8.0°F (1960) | 0.55 in (1965) |
| December 11 | 75.0°F (1939) | -4.0°F (1986) | 0.65 in (1991) |
| December 12 | 72.0°F (1939) | -18.9°F (1961) | 0.42 in (1940) |
| December 13 | 69.1°F (2025) | -11.9°F (1961) | 0.60 in (1984) |
| December 14 | 77.0°F (2009) | -16.1°F (1945) | 0.51 in (2015) |
| December 15 | 73.0°F (1939) | -16.1°F (1945) | 1.02 in (2011) |
| December 16 | 75.0°F (1939) | -6.0°F (1945) | 0.79 in (1961) |
| December 17 | 69.1°F (1942) | -6.0°F (1961) | 1.40 in (2010) |
| December 18 | 73.9°F (1939) | -5.1°F (1996) | 1.13 in (2023) |
| December 19 | 64.9°F (1939) | -7.1°F (1989) | 0.11 in (2012) |
| December 20 | 68.0°F (1939) | -4.0°F (1961) | 0.78 in (1938) |
| December 21 | 64.9°F (1954) | -5.1°F (1967) | 0.75 in (1990) |
| December 22 | 68.0°F (1954) | -11.9°F (1967) | 0.92 in (1924) |
| December 23 | 66.9°F (2025) | -13.0°F (1990) | 0.93 in (2008) |
| December 24 | 64.0°F (1946) | -18.0°F (1990) | 0.26 in (1986) |
| December 25 | 64.0°F (1950) | -9.9°F (1990) | 0.57 in (1939) |
| December 26 | 63.0°F (1947) | -8.0°F (1990) | 0.95 in (1959) |
| December 27 | 64.9°F (1980) | -15.0°F (1939) | 0.52 in (1941) |
| December 28 | 64.9°F (2005) | -9.9°F (1970) | 0.41 in (2021) |
| December 29 | 68.0°F (1996) | -13.0°F (1982) | 0.75 in (2006) |
| December 30 | 70.0°F (1996) | -5.1°F (1958) | 0.79 in (1978) |
| December 31 | 66.9°F (1980) | -8.0°F (1958) | 0.48 in (2019) |