Weather on December 20 at Big Bend
Big Bend National Park
Based on 55 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 20th in Big Bend National Park (via Alpine, TX) typically brings mild winter weather, with average highs around 63°F and lows near 33°F — a 30°F daily swing. Over 55 years of records, the warmest December 20th was in 2025 (66°F average), while the coldest was 1980 (24°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 20th dates historically, with the wettest December 20th recording 1.17" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Big Bend? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 79°F | 54°F | -- | -- |
| 2024 | 64°F | 32°F | -- | -- |
| 2023 | 69°F | 46°F | -- | -- |
| 2022 | 58°F | 26°F | -- | -- |
| 2021 | 65°F | 38°F | -- | -- |
| 2020 | 63°F | 28°F | -- | -- |
| 2019 | 56°F | 29°F | 0" | 0" |
| 2018 | 65°F | 34°F | 0" | 0" |
| 2017 | 59°F | 38°F | 0" | 0" |
| 2016 | 70°F | 33°F | 0" | 0" |
| 2015 | 73°F | 35°F | 0" | 0" |
| 2014 | 63°F | 31°F | 0" | -- |
| 2013 | 73°F | 51°F | 0.2" | 0" |
| 2012 | 70°F | 21°F | 0" | 0" |
| 2011 | 53°F | 31°F | 0" | 0" |
| 2010 | 72°F | 39°F | 0" | 0" |
| 2009 | 52°F | 28°F | 0" | 0" |
| 2008 | 71°F | 44°F | 0" | 0" |
| 2007 | 70°F | 40°F | 0" | 0" |
| 2006 | 51°F | 38°F | 0" | 0" |
| 2005 | 58°F | 36°F | 0" | 0" |
| 2004 | 64°F | 30°F | 0" | 0" |
| 2003 | 67°F | 27°F | 0" | 0" |
| 2002 | 61°F | 26°F | 0" | 0" |
| 2001 | 68°F | 33°F | 0" | 0" |
| 2000 | 68°F | 44°F | 0" | 0" |
| 1999 | 53°F | 24°F | 0" | 0" |
| 1998 | 74°F | 44°F | 0" | 0" |
| 1997 | 67°F | 34°F | 1.17" | 0" |
| 1996 | 54°F | 19°F | 0" | 0" |
| 1995 | 47°F | 24°F | 0" | 0" |
| 1994 | 66°F | 27°F | 0" | 0" |
| 1993 | 45°F | 36°F | 1.09" | 0" |
| 1992 | 66°F | 34°F | 0" | 0" |
| 1991 | 51°F | 39°F | 0.2" | 0" |
| 1990 | 64°F | 36°F | 0" | 0" |
| 1989 | 62°F | 29°F | 0" | 0" |
| 1988 | 65°F | 38°F | 0" | 0" |
| 1987 | 65°F | 24°F | 0" | 0" |
| 1986 | 53°F | 32°F | 0" | 0" |
| 1985 | 66°F | 20°F | 0" | 0" |
| 1984 | 75°F | 51°F | 0" | 0" |
| 1983 | 66°F | 25°F | -- | -- |
| 1982 | 73°F | 33°F | 0" | 0" |
| 1981 | 75°F | 40°F | 0" | 0" |
| 1980 | 26°F | 21°F | 0" | 0" |
| 1979 | 70°F | 34°F | 0" | 0" |
| 1978 | 67°F | 47°F | 0" | 0" |
| 1977 | 66°F | 23°F | 0" | 0" |
| 1976 | 60°F | 35°F | 0" | 0" |
| 1975 | 55°F | 28°F | 0" | 0" |
| 1974 | 61°F | 29°F | 0" | 0" |
| 1973 | 46°F | 5°F | 0" | 0" |
| 1972 | 62°F | 34°F | 0" | 0" |
| 1971 | 62°F | 39°F | 0" | 0" |