December weather in Tucumcari, NM
The average temperature in Tucumcari in December is 39.5°F (25.6°F–53.4°F). Average precipitation: 0.70 inches. Average snowfall is 4.1 inches.
December is a winter month in Tucumcari, and is cooler than the annual average of 59.2°F. Daily temperatures swing about 27.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 38m. For travel, December is cool.
Avg High
53.4°F
Avg Low
25.6°F
Precipitation
0.70 in
Snow
4.1 in
December records in Tucumcari
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (2003) | 10.9°F (1944) | 1.61 in (1906) |
| December 2 | 77.0°F (2012) | 10.9°F (1966) | 0.43 in (1953) |
| December 3 | 79.0°F (2021) | 12.0°F (1985) | 0.74 in (1983) |
| December 4 | 79.0°F (1958) | 12.0°F (1921) | 0.80 in (1999) |
| December 5 | 79.0°F (1987) | 8.1°F (1984) | 1.40 in (1944) |
| December 6 | 78.1°F (2021) | -5.1°F (2011) | 0.45 in (1926) |
| December 7 | 75.0°F (1970) | 3.0°F (2011) | 0.52 in (1960) |
| December 8 | 78.1°F (1970) | -0.9°F (2005) | 1.37 in (1988) |
| December 9 | 77.0°F (1933) | -9.9°F (1978) | 0.90 in (1943) |
| December 10 | 81.0°F (1939) | 1.9°F (1924) | 0.94 in (1943) |
| December 11 | 75.0°F (1977) | 3.0°F (1917) | 0.60 in (1923) |
| December 12 | 84.0°F (2025) | -6.0°F (1961) | 0.90 in (1905) |
| December 13 | 73.0°F (1929) | 3.0°F (1963) | 0.60 in (2015) |
| December 14 | 77.0°F (2010) | 6.1°F (1963) | 0.51 in (1959) |
| December 15 | 79.0°F (2021) | -6.0°F (1987) | 1.64 in (1959) |
| December 16 | 75.0°F (1908) | 1.0°F (1987) | 1.22 in (1959) |
| December 17 | 82.0°F (1980) | 1.9°F (1932) | 0.73 in (1959) |
| December 18 | 80.1°F (1980) | -5.1°F (2016) | 0.28 in (1986) |
| December 19 | 73.9°F (1980) | -2.0°F (1924) | 0.93 in (1919) |
| December 20 | 77.0°F (2025) | -2.0°F (1924) | 0.59 in (2011) |
| December 21 | 79.0°F (2025) | 0.0°F (1990) | 0.88 in (1997) |
| December 22 | 75.9°F (1964) | -6.0°F (1990) | 0.67 in (1918) |
| December 23 | 82.9°F (2025) | -11.9°F (1990) | 1.11 in (1997) |
| December 24 | 81.0°F (2025) | -5.1°F (1990) | 0.41 in (1952) |
| December 25 | 82.0°F (2025) | -6.0°F (1924) | 0.32 in (1914) |
| December 26 | 78.1°F (2025) | -8.0°F (1918) | 0.38 in (2000) |
| December 27 | 77.0°F (2005) | 1.0°F (1939) | 2.20 in (2015) |
| December 28 | 73.9°F (1980) | -2.9°F (1924) | 0.57 in (2019) |
| December 29 | 71.1°F (1945) | -5.1°F (1983) | 0.58 in (1958) |
| December 30 | 78.1°F (2017) | 0.0°F (1983) | 0.91 in (2006) |
| December 31 | 77.0°F (2008) | 1.9°F (1927) | 0.28 in (2012) |