Weather on December 18
Austin, TX
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
2006
70°F avg
Coldest
1983
31°F avg
About This Date
December 18th in Austin, TX typically brings mild winter weather, with average highs around 62°F and lows near 40°F. Over 55 years of records, the warmest December 18th was in 2006 (70°F average), while the coldest was 1983 (31°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 18th dates historically, with the wettest December 18th recording 4.14" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Austin, TX? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 50° | 63° | 0.03" | — |
| 2024 | 68° | 49° | 58° | 0.08" | — |
| 2023 | 68° | 43° | 55° | — | — |
| 2022 | 55° | 31° | 43° | — | — |
| 2021 | 72° | 46° | 59° | 4.14" | — |
| 2020 | 64° | 38° | 51° | — | — |
| 2019 | 61° | 34° | 47° | — | — |
| 2018 | 65° | 36° | 50° | — | — |
| 2017 | 51° | 40° | 45° | 0.08" | — |
| 2016 | 74° | 28° | 51° | — | — |
| 2015 | 58° | 34° | 46° | — | — |
| 2014 | 60° | 49° | 54° | — | — |
| 2013 | 70° | 30° | 50° | — | — |
| 2012 | 73° | 37° | 55° | — | — |
| 2011 | 59° | 45° | 52° | — | — |
| 2010 | 50° | 35° | 43° | — | — |
| 2009 | 52° | 36° | 44° | 1.45" | — |
| 2008 | 50° | 39° | 45° | — | — |
| 2007 | 60° | 26° | 43° | — | — |
| 2006warmest | 80° | 61° | 70° | — | — |
| 2005 | 48° | 39° | 44° | — | — |
| 2004 | 61° | 33° | 47° | — | — |
| 2003 | 66° | 35° | 51° | — | — |
| 2002 | 75° | 63° | 69° | — | — |
| 2001 | 67° | 37° | 52° | — | — |
| 2000 | 60° | 38° | 49° | — | — |
| 1999 | 60° | 40° | 50° | — | — |
| 1998 | 60° | 44° | 52° | 0.1" | — |
| 1997 | 71° | 34° | 52° | — | — |
| 1996 | 37° | 27° | 32° | — | — |
| 1995 | 63° | 46° | 54° | 0.2" | — |
| 1994 | 66° | 44° | 55° | — | — |
| 1993 | 55° | 48° | 52° | — | — |
| 1992 | 64° | 36° | 50° | — | — |
| 1991 | 58° | 54° | 56° | 3.78" | — |
| 1990 | 66° | 46° | 56° | — | — |
| 1989 | 39° | 32° | 36° | — | — |
| 1988 | 66° | 33° | 50° | — | — |
| 1987 | 60° | 41° | 51° | 0.58" | — |
| 1986 | 55° | 44° | 50° | 1.3" | — |
| 1985 | 60° | 35° | 48° | — | — |
| 1984 | 71° | 52° | 61° | — | — |
| 1983coldest | 41° | 22° | 31° | — | — |
| 1982 | 75° | 52° | 63° | — | — |
| 1981 | 49° | 27° | 38° | — | — |
| 1980 | 78° | 48° | 63° | — | — |
| 1979 | 58° | 25° | 41° | — | — |
| 1978 | 67° | 52° | 59° | — | — |
| 1977 | 76° | 41° | 58° | — | — |
| 1976 | 63° | 51° | 57° | 0.1" | — |
| 1975 | 40° | 27° | 33° | — | — |
| 1974 | 69° | 38° | 53° | — | — |
| 1973 | 75° | 46° | 61° | — | — |
| 1972 | 59° | 41° | 50° | — | — |
| 1971 | 58° | 43° | 50° | — | — |
55 years of data from AUSTIN 6S