December weather in Fort Sumner, NM
The average temperature in Fort Sumner in December is 39.8°F (24.9°F–54.7°F). Average precipitation: 0.62 inches. Average snowfall is 2.6 inches.
December is a winter month in Fort Sumner, and is cooler than the annual average of 59.2°F. Daily temperatures swing about 29.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 42m. For travel, December is cool.
Avg High
54.7°F
Avg Low
24.9°F
Precipitation
0.62 in
Snow
2.6 in
December records in Fort Sumner
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 81.0°F (1933) | 10.0°F (1918) | 0.38 in (1931) |
| December 2 | 77.0°F (1995) | 10.0°F (1991) | 0.42 in (1989) |
| December 3 | 81.0°F (2008) | 12.0°F (1990) | 0.78 in (1947) |
| December 4 | 81.0°F (2010) | 7.0°F (1990) | 0.41 in (1913) |
| December 5 | 79.0°F (2007) | 10.0°F (1990) | 0.62 in (1992) |
| December 6 | 80.1°F (1939) | 1.9°F (1950) | 0.41 in (1994) |
| December 7 | 75.0°F (2007) | -2.9°F (1912) | 0.30 in (1915) |
| December 8 | 77.0°F (1981) | -2.9°F (2005) | 0.52 in (1960) |
| December 9 | 82.0°F (1939) | -18.0°F (1978) | 0.87 in (1924) |
| December 10 | 80.1°F (1939) | -4.0°F (1978) | 0.32 in (1923) |
| December 11 | 81.0°F (1939) | 3.0°F (1924) | 2.48 in (1923) |
| December 12 | 79.0°F (1921) | 3.0°F (1923) | 0.36 in (1991) |
| December 13 | 75.9°F (1929) | -2.9°F (1985) | 0.49 in (1941) |
| December 14 | 75.9°F (1995) | 3.0°F (1923) | 0.26 in (1984) |
| December 15 | 78.1°F (2010) | -0.9°F (1987) | 0.39 in (1931) |
| December 16 | 75.9°F (1929) | 0.0°F (1987) | 0.65 in (1913) |
| December 17 | 75.9°F (1939) | 8.1°F (1921) | 0.56 in (1918) |
| December 18 | 77.0°F (1980) | 1.0°F (1927) | 1.07 in (1919) |
| December 19 | 77.0°F (1921) | -11.0°F (1909) | 0.92 in (1918) |
| December 20 | 71.1°F (1966) | 1.0°F (1924) | 1.20 in (1997) |
| December 21 | 75.9°F (2003) | 3.9°F (1932) | 0.24 in (1913) |
| December 22 | 75.0°F (1915) | 1.0°F (1990) | 1.59 in (1918) |
| December 23 | 75.9°F (2005) | -14.1°F (1990) | 0.89 in (1939) |
| December 24 | 75.9°F (2005) | -8.0°F (1912) | 1.06 in (2002) |
| December 25 | 73.9°F (1955) | -4.0°F (1924) | 0.25 in (1923) |
| December 26 | 72.0°F (1955) | -6.0°F (1997) | 0.36 in (1982) |
| December 27 | 75.0°F (2005) | -5.1°F (1987) | 1.10 in (1943) |
| December 28 | 73.0°F (1921) | -0.9°F (1915) | 0.08 in (1984) |
| December 29 | 73.9°F (1980) | -5.1°F (1983) | 0.30 in (1969) |
| December 30 | 78.1°F (1921) | 0.0°F (1983) | 0.45 in (2006) |
| December 31 | 75.0°F (2008) | 8.1°F (1918) | 0.26 in (1978) |