Austin Weather in December
Average highs run from 49°F on December 1 to 42°F on December 31, and lows from 29°F to 25°F.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 45°F
- Average low
- 27°F
- Snowfall
- 2.2 in
- Record high
- 77°FDec 2, 1982
- Record low
- -18°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 39 min to 9 h 30 min
- Cloud cover
- 73%
- Humidity
- 86%
- Dew point
- 29°F
- Wind
- 7.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 49°F | 29°F | 69°F 1982 | 10°F 1929 | 5% | |
| Dec 2 | 48°F | 28°F | 77°F 1982 | 11°F 1908 | 5% | |
| Dec 3 | 48°F | 28°F | 74°F 1982 | -1°F 1929 | 5% | |
| Dec 4 | 48°F | 28°F | 74°F 1982 | 11°F 1929 | 5% | |
| Dec 5 | 47°F | 28°F | 72°F 2001 | 11°F 1901 | 6% | |
| Dec 6 | 47°F | 28°F | 73°F 1998 | 7°F 1984 | 6% | |
| Dec 7 | 47°F | 27°F | 73°F 1951 | 3°F 1977 | 6% | |
| Dec 8 | 46°F | 27°F | 68°F 1946 | 10°F 1909 | 6% | |
| Dec 9 | 46°F | 27°F | 70°F 1946 | -5°F 1917 | 7% | |
| Dec 10 | 46°F | 27°F | 70°F 1952 | -7°F 1917 | 7% | |
| Dec 11 | 45°F | 27°F | 71°F 1931 | -15°F 1917 | 7% | |
| Dec 12 | 45°F | 27°F | 66°F 1929 | -7°F 1917 | 7% | |
| Dec 13 | 45°F | 27°F | 69°F 1927 | 1°F 1962 | 7% | |
| Dec 14 | 45°F | 27°F | 70°F 1975 | -9°F 1898 | 8% | |
| Dec 15 | 44°F | 27°F | 70°F 1933 | -10°F 1901 | 8% | |
| Dec 16 | 44°F | 26°F | 69°F 1984 | -5°F 1901 | 8% | |
| Dec 17 | 44°F | 26°F | 70°F 1984 | -1°F 1989 | 8% | |
| Dec 18 | 44°F | 26°F | 64°F 1908 | 2°F 1989 | 8% | |
| Dec 19 | 44°F | 26°F | 64°F 1895 | -3°F 1963 | 9% | |
| Dec 20 | 43°F | 26°F | 65°F 2008 | -8°F 1901 | 9% | |
| Dec 21 | 43°F | 26°F | 68°F 1941 | -13°F 1989 | 9% | |
| Dec 22 | 43°F | 26°F | 67°F 1949 | -18°F 1989 | 9% | |
| Dec 23 | 43°F | 26°F | 69°F 1933 | -9°F 1989 | 9% | |
| Dec 24 | 43°F | 26°F | 70°F 1964 | -9°F 1983 | 9% | |
| Dec 25 | 43°F | 26°F | 69°F 1932 | -9°F 1983 | 9% | |
| Dec 26 | 42°F | 26°F | 64°F 1982 | -1°F 1914 | 10% | |
| Dec 27 | 42°F | 25°F | 70°F 2008 | -6°F 1935 | 10% | |
| Dec 28 | 42°F | 25°F | 68°F 1982 | 1°F 1925 | 10% | |
| Dec 29 | 42°F | 25°F | 69°F 1984 | -3°F 1894 | 10% | |
| Dec 30 | 42°F | 25°F | 66°F 1923 | -14°F 1917 | 10% | |
| Dec 31 | 42°F | 25°F | 66°F 1923 | 0°F 1976 | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:43 AM, sunset 5:22 PM
- December 31
- sunrise 8:01 AM, sunset 5:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00127875 (Scottsburg), public domain. Records: NOAA GHCN-Daily, station USC00125237, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.