Weather on December 18
New Braunfels, TX
55 Years of Data
Avg High
63°F
Avg Low
40°F
Warmest
2006
70°F avg
Coldest
1996
30°F avg
About This Date
December 18th in New Braunfels, TX typically brings mild winter weather, with average highs around 63°F and lows near 40°F. Over 54 years of records, the warmest December 18th was in 2006 (70°F average), while the coldest was 1996 (30°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 26% of December 18th dates historically, with the wettest December 18th recording 2.49" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in New Braunfels, TX? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 52° | 66° | 0.03" | — |
| 2024 | 72° | 51° | 61° | 0.03" | — |
| 2023 | 72° | 42° | 57° | — | — |
| 2022 | 54° | 32° | 43° | — | — |
| 2021 | 73° | 49° | 61° | 1.35" | — |
| 2020 | 66° | 32° | 49° | — | — |
| 2019 | 59° | 29° | 44° | — | — |
| 2018 | 66° | 38° | 52° | 0.28" | — |
| 2017 | 58° | 50° | 54° | 0.1" | — |
| 2016 | 41° | 29° | 35° | — | — |
| 2015 | 59° | 33° | 46° | — | — |
| 2014 | 65° | 53° | 59° | — | — |
| 2013 | 71° | 36° | 53° | — | — |
| 2012 | 82° | 36° | 59° | — | — |
| 2011 | 63° | 51° | 57° | 0.03" | — |
| 2010 | 58° | 34° | 46° | — | — |
| 2009 | 68° | 39° | 54° | — | — |
| 2008 | 69° | 50° | 60° | 0.03" | — |
| 2007 | 76° | 46° | 61° | — | — |
| 2006warmest | 81° | 60° | 70° | — | — |
| 2005 | 58° | 41° | 49° | — | — |
| 2004 | 69° | 35° | 52° | — | — |
| 2003 | 67° | 32° | 49° | — | — |
| 2002 | 74° | 61° | 67° | — | — |
| 2001 | 67° | 37° | 52° | — | — |
| 2000 | 62° | 36° | 49° | — | — |
| 1999 | 63° | 34° | 48° | — | — |
| 1998 | 66° | 39° | 53° | — | — |
| 1997 | 73° | 33° | 53° | — | — |
| 1996coldest | 38° | 22° | 30° | — | — |
| 1995 | 74° | 40° | 57° | 1.96" | — |
| 1994 | 60° | 42° | 51° | — | — |
| 1993 | 60° | 47° | 53° | 0.23" | — |
| 1992 | 60° | 33° | 47° | — | — |
| 1991 | 60° | 54° | 57° | 2.49" | — |
| 1990 | 69° | 58° | 63° | — | — |
| 1989 | 40° | 31° | 35° | — | — |
| 1988 | 64° | 35° | 50° | — | — |
| 1986 | 57° | 53° | 55° | 0.86" | — |
| 1985 | 58° | 36° | 47° | — | — |
| 1984 | 70° | 57° | 63° | 0.2" | — |
| 1983 | 45° | 30° | 37° | — | — |
| 1982 | 70° | 38° | 54° | 0.08" | — |
| 1981 | 50° | 27° | 38° | — | — |
| 1980 | 75° | 44° | 60° | — | — |
| 1979 | 47° | 24° | 35° | — | — |
| 1978 | 56° | 45° | 50° | — | — |
| 1977 | 69° | 32° | 51° | — | — |
| 1976 | 65° | 48° | 56° | — | — |
| 1975 | 60° | 32° | 46° | — | — |
| 1974 | 65° | 31° | 48° | — | — |
| 1973 | 67° | 31° | 49° | — | — |
| 1972 | 56° | 22° | 39° | 0.1" | — |
| 1971 | 58° | 44° | 51° | — | — |
54 years of data from AUSTIN SAN ANTONIO