December weather in Austin, TX
The average temperature in Austin in December is 53.6°F (43.4°F–63.9°F). Average precipitation: 2.72 inches.
December is a winter month in Austin, and is cooler than the annual average of 70°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 3m. For travel, December is a comfortable month to visit.
Avg High
63.9°F
Avg Low
43.4°F
Precipitation
2.72 in
Daylight
10h 3m
December records in Austin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (2012) | 25.0°F (1979) | 3.73 in (1953) |
| December 2 | 84.0°F (2007) | 27.0°F (1985) | 2.49 in (1965) |
| December 3 | 86.0°F (1995) | 30.0°F (1976) | 1.29 in (2016) |
| December 4 | 84.9°F (2017) | 28.9°F (2006) | 3.46 in (1944) |
| December 5 | 84.0°F (1995) | 24.1°F (1950) | 2.45 in (1969) |
| December 6 | 84.0°F (1966) | 17.1°F (1950) | 0.94 in (2017) |
| December 7 | 82.0°F (2022) | 16.0°F (1950) | 2.51 in (2018) |
| December 8 | 82.9°F (2007) | 23.0°F (2005) | 1.38 in (2001) |
| December 9 | 84.0°F (2024) | 24.1°F (1978) | 1.11 in (2002) |
| December 10 | 84.9°F (2021) | 19.0°F (1978) | 0.92 in (1985) |
| December 11 | 82.9°F (1950) | 24.1°F (1978) | 1.97 in (1940) |
| December 12 | 86.0°F (1973) | 21.0°F (1957) | 0.98 in (1979) |
| December 13 | 80.1°F (2025) | 21.9°F (1989) | 1.54 in (2015) |
| December 14 | 81.0°F (1975) | 21.9°F (1958) | 1.17 in (1992) |
| December 15 | 81.0°F (1995) | 21.0°F (1989) | 2.11 in (1994) |
| December 16 | 80.1°F (1977) | 16.0°F (1989) | 1.32 in (2017) |
| December 17 | 82.0°F (1990) | 21.9°F (1972) | 0.52 in (1961) |
| December 18 | 82.9°F (2012) | 21.9°F (1983) | 1.95 in (1956) |
| December 19 | 84.0°F (2012) | 21.9°F (1983) | 1.80 in (2022) |
| December 20 | 82.9°F (1951) | 24.1°F (1996) | 4.21 in (1991) |
| December 21 | 81.0°F (1970) | 21.9°F (1951) | 2.59 in (1991) |
| December 22 | 81.0°F (1941) | 12.0°F (1983) | 2.23 in (1986) |
| December 23 | 82.0°F (2020) | 3.9°F (1989) | 1.45 in (2006) |
| December 24 | 82.0°F (1955) | 12.0°F (1983) | 1.65 in (1975) |
| December 25 | 90.0°F (1955) | 10.0°F (1983) | 1.52 in (2000) |
| December 26 | 86.0°F (2025) | 14.0°F (1983) | 1.83 in (2018) |
| December 27 | 82.0°F (2024) | 26.1°F (1938) | 1.32 in (2015) |
| December 28 | 82.9°F (2016) | 24.1°F (1983) | 1.46 in (1994) |
| December 29 | 82.0°F (2021) | 16.0°F (1983) | 1.15 in (2006) |
| December 30 | 89.1°F (2024) | 16.0°F (1983) | 1.57 in (1952) |
| December 31 | 82.9°F (1951) | 19.0°F (1983) | 2.39 in (1978) |