December weather in San Jon, NM
The average temperature in San Jon in December is 40.3°F (26.0°F–54.5°F). Average precipitation: 0.82 inches. Average snowfall is 5.4 inches.
December is a winter month in San Jon, and is cooler than the annual average of 60.3°F. Daily temperatures swing about 28.5°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 39m. For travel, December is cool.
Avg High
54.5°F
Avg Low
26.0°F
Precipitation
0.82 in
Snow
5.4 in
December records in San Jon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (1917) | 10.0°F (1944) | 0.46 in (1996) |
| December 2 | 75.9°F (1995) | 9.0°F (1985) | 0.56 in (1971) |
| December 3 | 79.0°F (2010) | 12.0°F (1950) | 0.38 in (1947) |
| December 4 | 79.0°F (2007) | 6.1°F (1921) | 0.79 in (1973) |
| December 5 | 73.0°F (1946) | 8.1°F (1909) | 0.59 in (1999) |
| December 6 | 77.0°F (1939) | -5.1°F (2011) | 0.35 in (2004) |
| December 7 | 77.0°F (1933) | -0.9°F (1912) | 0.24 in (1960) |
| December 8 | 78.1°F (1970) | -2.9°F (2005) | 0.34 in (1926) |
| December 9 | 75.0°F (1933) | -13.0°F (1978) | 1.99 in (1943) |
| December 10 | 78.1°F (1975) | -4.0°F (1924) | 0.33 in (1923) |
| December 11 | 80.1°F (1939) | -7.1°F (1943) | 0.34 in (1923) |
| December 12 | 79.0°F (1921) | -15.0°F (1961) | 0.45 in (1928) |
| December 13 | 78.1°F (1921) | -2.0°F (1923) | 1.44 in (2015) |
| December 14 | 77.0°F (2010) | 1.9°F (1923) | 0.51 in (1983) |
| December 15 | 75.9°F (1946) | -6.0°F (1987) | 1.06 in (1959) |
| December 16 | 77.0°F (1908) | 3.9°F (1987) | 1.93 in (1959) |
| December 17 | 79.0°F (1980) | -7.1°F (1932) | 0.62 in (1959) |
| December 18 | 77.0°F (1980) | -8.0°F (1909) | 0.85 in (1995) |
| December 19 | 75.0°F (1917) | -9.0°F (1909) | 0.71 in (2011) |
| December 20 | 75.0°F (1917) | -7.1°F (1909) | 2.00 in (1938) |
| December 21 | 73.9°F (1933) | -0.9°F (1990) | 1.80 in (1991) |
| December 22 | 75.9°F (2005) | -7.1°F (1963) | 0.90 in (1907) |
| December 23 | 77.0°F (1933) | -11.0°F (1990) | 1.02 in (1997) |
| December 24 | 75.9°F (1955) | -13.0°F (1918) | 0.31 in (2009) |
| December 25 | 75.0°F (1955) | -11.9°F (1918) | 0.55 in (1939) |
| December 26 | 77.0°F (2005) | -11.0°F (1918) | 0.57 in (1938) |
| December 27 | 72.0°F (1976) | -8.0°F (1918) | 1.30 in (2015) |
| December 28 | 72.0°F (1922) | -8.0°F (1924) | 0.78 in (2019) |
| December 29 | 79.0°F (2017) | -4.0°F (1939) | 0.40 in (2006) |
| December 30 | 79.0°F (2008) | -4.0°F (1983) | 0.60 in (2006) |
| December 31 | 73.0°F (1909) | -4.0°F (1918) | 0.61 in (1916) |