December weather in Plains, TX
The average temperature in Plains in December is 40.5°F (25.9°F–55.0°F). Average precipitation: 0.77 inches. Average snowfall is 1.1 inches.
December is a winter month in Plains, and is cooler than the annual average of 59.5°F. Daily temperatures swing about 29.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 49m. For travel, December is cool.
Avg High
55.0°F
Avg Low
25.9°F
Precipitation
0.77 in
Snow
1.1 in
December records in Plains
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 79.0°F (1995) | 14.0°F (1979) | 0.29 in (2009) |
| December 2 | 77.0°F (1995) | 14.0°F (1979) | 0.52 in (1971) |
| December 3 | 79.0°F (2008) | 8.1°F (1967) | 0.33 in (2016) |
| December 4 | 79.0°F (2010) | 9.0°F (1967) | 0.22 in (1999) |
| December 5 | 80.1°F (1946) | 15.1°F (1952) | 0.77 in (1971) |
| December 6 | 75.0°F (1965) | 0.0°F (1950) | 0.10 in (1969) |
| December 7 | 75.9°F (1966) | 5.0°F (2011) | 0.27 in (1992) |
| December 8 | 77.0°F (1977) | -0.9°F (2005) | 0.92 in (1988) |
| December 9 | 78.1°F (1970) | 3.0°F (2005) | 1.21 in (1960) |
| December 10 | 78.1°F (1970) | 9.0°F (1966) | 2.00 in (1982) |
| December 11 | 78.1°F (1975) | 9.0°F (1966) | 0.79 in (1946) |
| December 12 | 75.9°F (1975) | 1.9°F (1989) | 0.58 in (1991) |
| December 13 | 75.0°F (1950) | 8.1°F (1966) | 0.25 in (2023) |
| December 14 | 78.1°F (1948) | 14.0°F (1966) | 1.28 in (1987) |
| December 15 | 79.0°F (2010) | 3.0°F (1987) | 0.70 in (1959) |
| December 16 | 77.0°F (2010) | 3.0°F (1987) | 0.66 in (1984) |
| December 17 | 73.0°F (1969) | 1.9°F (1987) | 0.50 in (1990) |
| December 18 | 77.0°F (1980) | 1.9°F (1987) | 0.50 in (1965) |
| December 19 | 77.0°F (1980) | 3.9°F (2016) | 1.10 in (1987) |
| December 20 | 77.0°F (2025) | 1.0°F (1989) | 0.85 in (1997) |
| December 21 | 80.1°F (2025) | 1.9°F (1973) | 0.32 in (2013) |
| December 22 | 78.1°F (1981) | 0.0°F (1989) | 1.30 in (1986) |
| December 23 | 80.1°F (2025) | -4.0°F (1989) | 1.30 in (1932) |
| December 24 | 81.0°F (2025) | -0.9°F (1989) | 0.38 in (1975) |
| December 25 | 80.1°F (2025) | 3.9°F (1983) | 0.25 in (1997) |
| December 26 | 82.0°F (2025) | 8.1°F (1983) | 0.57 in (1987) |
| December 27 | 78.1°F (2025) | -2.9°F (1987) | 0.71 in (1982) |
| December 28 | 78.1°F (2025) | 3.9°F (1966) | 0.92 in (2019) |
| December 29 | 75.9°F (1980) | -2.0°F (1954) | 0.77 in (2006) |
| December 30 | 77.0°F (2017) | 3.0°F (1983) | 0.50 in (1974) |
| December 31 | 75.0°F (2005) | 6.1°F (1969) | 0.48 in (2012) |