Weather on December 18 at Big Bend
Big Bend National Park
Based on 54 years of data from Alpine, TX
Elevation Note: Big Bend sits at 3,800 ft. Expect temperatures 13°F cooler than the data shown below, which comes from Alpine, TX at a lower elevation.
Planning Your Visit
December 18th in Big Bend National Park (via Alpine, TX) typically brings mild winter weather, with average highs around 62°F and lows near 32°F — a 30°F daily swing. Over 54 years of records, the warmest December 18th was in 1978 (60°F average), while the coldest was 1996 (18°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 18th dates historically, with the wettest December 18th recording 0.97" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Big Bend? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 75°F | 39°F | -- | -- |
| 2024 | 54°F | 32°F | -- | -- |
| 2023 | 63°F | 29°F | -- | -- |
| 2022 | 63°F | 29°F | -- | -- |
| 2021 | 63°F | 36°F | -- | -- |
| 2020 | 66°F | 37°F | -- | -- |
| 2019 | 39°F | 17°F | 0" | 0" |
| 2018 | 68°F | 36°F | 0" | 0" |
| 2017 | 67°F | 34°F | 0" | 0" |
| 2016 | 74°F | 16°F | 0" | 0" |
| 2015 | 61°F | 28°F | 0" | 0" |
| 2014 | 70°F | 32°F | 0" | -- |
| 2013 | 68°F | 30°F | 0" | 0" |
| 2012 | 63°F | 41°F | 0" | 0" |
| 2011 | 45°F | 38°F | 0.03" | 0" |
| 2010 | 57°F | 28°F | 0" | 0" |
| 2009 | 66°F | 30°F | 0" | 0" |
| 2008 | 75°F | 38°F | 0" | 0" |
| 2007 | 73°F | 28°F | 0" | 0" |
| 2006 | 68°F | 33°F | 0" | 0" |
| 2005 | 60°F | 34°F | 0" | 0" |
| 2003 | 51°F | 24°F | 0" | 0" |
| 2002 | 69°F | 35°F | 0" | 0" |
| 2001 | 70°F | 38°F | 0" | 0" |
| 2000 | 63°F | 38°F | 0" | 0" |
| 1999 | 60°F | 29°F | 0" | 0" |
| 1998 | 60°F | 44°F | 0.03" | 0" |
| 1997 | 70°F | 41°F | 0" | 0" |
| 1996 | 31°F | 6°F | 0" | 0" |
| 1995 | 45°F | 31°F | 0.97" | -- |
| 1994 | 67°F | 32°F | 0" | 0" |
| 1993 | 67°F | 33°F | 0" | 0" |
| 1992 | 64°F | 34°F | 0" | 0" |
| 1991 | 47°F | 39°F | 0.28" | 0" |
| 1990 | 52°F | 32°F | 0" | 0" |
| 1989 | 65°F | 39°F | 0" | 0" |
| 1988 | 68°F | 30°F | 0" | 0" |
| 1987 | 67°F | 49°F | 0" | 0" |
| 1986 | 46°F | 33°F | 0.76" | 0" |
| 1985 | 58°F | 19°F | 0" | 0" |
| 1984 | 68°F | 36°F | 0" | 0" |
| 1983 | 54°F | 22°F | 0" | 0" |
| 1982 | 76°F | 44°F | 0" | 0" |
| 1981 | 62°F | 13°F | 0" | 0" |
| 1980 | 75°F | 42°F | 0" | 0" |
| 1979 | 63°F | 29°F | 0" | 0" |
| 1978 | 73°F | 46°F | 0" | 0" |
| 1977 | 73°F | 35°F | 0" | 0" |
| 1976 | 62°F | 33°F | 0" | 0" |
| 1975 | 40°F | 18°F | 0" | 0" |
| 1974 | 58°F | 37°F | 0" | 0" |
| 1973 | 74°F | 36°F | 0" | 0" |
| 1972 | 62°F | 32°F | 0" | 0" |
| 1971 | 51°F | 33°F | 0" | 0" |