December weather in Post, TX
The average temperature in Post in December is 43.5°F (30.5°F–56.5°F). Average precipitation: 0.98 inches. Average snowfall is 1.2 inches.
December is a winter month in Post, and is cooler than the annual average of 62.6°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 9h 49m. For travel, December is cool.
Avg High
56.5°F
Avg Low
30.5°F
Precipitation
0.98 in
Snow
1.2 in
December records in Post
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (1999) | 18.0°F (1976) | 0.45 in (1931) |
| December 2 | 82.9°F (2012) | 15.1°F (1985) | 0.89 in (1962) |
| December 3 | 82.0°F (2005) | 15.1°F (1985) | 1.15 in (2016) |
| December 4 | 82.9°F (2021) | 19.0°F (1964) | 1.61 in (1930) |
| December 5 | 77.0°F (1977) | 19.9°F (1964) | 0.37 in (1971) |
| December 6 | 80.1°F (1965) | 10.0°F (1972) | 2.00 in (1926) |
| December 7 | 80.1°F (1966) | 7.0°F (2013) | 0.60 in (1942) |
| December 8 | 80.1°F (2007) | 8.1°F (2005) | 1.12 in (1980) |
| December 9 | 80.1°F (1970) | 9.0°F (1978) | 0.65 in (1960) |
| December 10 | 79.0°F (1970) | 10.9°F (1978) | 1.16 in (1911) |
| December 11 | 79.0°F (1989) | 12.0°F (1977) | 1.80 in (2007) |
| December 12 | 81.0°F (1975) | 10.0°F (1989) | 0.23 in (2011) |
| December 13 | 81.0°F (1995) | 12.0°F (1989) | 0.42 in (2015) |
| December 14 | 80.1°F (2025) | 17.1°F (1972) | 1.15 in (2023) |
| December 15 | 80.1°F (2010) | 9.0°F (1987) | 1.40 in (1959) |
| December 16 | 82.9°F (2010) | 8.1°F (1989) | 0.89 in (1990) |
| December 17 | 80.1°F (2016) | 9.0°F (1989) | 0.62 in (1918) |
| December 18 | 79.0°F (1962) | 8.1°F (1975) | 0.67 in (1986) |
| December 19 | 82.0°F (1980) | 8.1°F (2016) | 0.72 in (1991) |
| December 20 | 75.9°F (2010) | 10.9°F (1973) | 0.95 in (2006) |
| December 21 | 84.0°F (2025) | 9.0°F (1983) | 2.26 in (2013) |
| December 22 | 81.0°F (1981) | -0.9°F (1989) | 0.85 in (1932) |
| December 23 | 82.0°F (2025) | 3.9°F (1983) | 1.27 in (1932) |
| December 24 | 84.0°F (1964) | 3.9°F (1983) | 1.08 in (1918) |
| December 25 | 82.0°F (2021) | 8.1°F (2004) | 0.25 in (1939) |
| December 26 | 84.0°F (2025) | 3.0°F (1983) | 0.17 in (1939) |
| December 27 | 82.0°F (2025) | -2.0°F (1989) | 0.45 in (1927) |
| December 28 | 84.0°F (2025) | 10.9°F (1966) | 0.67 in (2015) |
| December 29 | 80.1°F (1980) | 1.0°F (1983) | 0.45 in (1969) |
| December 30 | 78.1°F (2024) | 1.9°F (1983) | 0.90 in (2020) |
| December 31 | 80.1°F (2008) | 8.1°F (1976) | 0.38 in (1978) |