Weather on December 20 at Carlsbad Caverns
Carlsbad Caverns National Park
Based on 55 years of data from Carlsbad, NM
Elevation Note: Carlsbad Caverns sits at 4,400 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Carlsbad, NM at a lower elevation.
Planning Your Visit
December 20th in Carlsbad Caverns National Park (via Carlsbad, NM) typically brings cool winter weather, with average highs around 58°F and lows near 29°F — a 29°F daily swing. Over 55 years of records, the warmest December 20th was in 2025 (69°F average), while the coldest was 1973 (25°F) — a 44°F range across recorded history. Rain or other precipitation has occurred on about 5% of December 20th dates historically, with the wettest December 20th recording 2.03" of rain. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Carlsbad Caverns? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 83°F | 55°F | 0" | -- |
| 2024 | 59°F | 30°F | 0" | -- |
| 2023 | 62°F | 34°F | 0" | -- |
| 2022 | 49°F | 25°F | 0" | -- |
| 2021 | 66°F | 20°F | 0" | -- |
| 2020 | 64°F | 31°F | 0" | 0" |
| 2019 | 52°F | 21°F | 0" | 0" |
| 2018 | 70°F | 33°F | 0" | 0" |
| 2017 | 65°F | 36°F | 0" | 0" |
| 2016 | 38°F | 24°F | 0" | 0" |
| 2015 | 65°F | 22°F | 0" | 0" |
| 2014 | 59°F | 27°F | 0" | -- |
| 2013 | 74°F | 39°F | 0" | 0" |
| 2012 | 65°F | 23°F | 0" | 0" |
| 2011 | 51°F | 32°F | 0" | 0" |
| 2010 | 74°F | 38°F | 0" | 0" |
| 2009 | 55°F | 25°F | 0" | 0" |
| 2008 | 66°F | 39°F | 0" | 0" |
| 2007 | 70°F | 30°F | 0" | 0" |
| 2006 | 35°F | 33°F | 0.61" | 0" |
| 2005 | 49°F | 33°F | 0" | 0" |
| 2004 | 67°F | 24°F | 0" | 0" |
| 2003 | 55°F | 22°F | 0" | 0" |
| 2002 | 54°F | 25°F | 0" | 0" |
| 2001 | 55°F | 25°F | 0" | 0" |
| 2000 | 70°F | 26°F | 0" | 0" |
| 1999 | 39°F | 26°F | 0" | 0" |
| 1998 | 69°F | 35°F | 0" | 0" |
| 1997 | 36°F | 24°F | 2.03" | 0" |
| 1996 | 46°F | 16°F | 0" | 0" |
| 1995 | 46°F | 26°F | 0" | 0" |
| 1994 | 74°F | 36°F | 0" | 0" |
| 1993 | 64°F | 26°F | 0" | 0" |
| 1992 | 57°F | 26°F | 0" | 0" |
| 1991 | 44°F | 40°F | 0.28" | 0" |
| 1990 | 70°F | 38°F | 0" | 0" |
| 1989 | 41°F | 18°F | 0" | 0" |
| 1988 | 63°F | 33°F | 0" | 0" |
| 1987 | 56°F | 33°F | 0" | 0" |
| 1986 | 56°F | 28°F | 0" | 0" |
| 1985 | 63°F | 23°F | 0" | 0" |
| 1984 | 60°F | 43°F | 0" | -- |
| 1983 | 30°F | 20°F | 0" | -- |
| 1982 | 59°F | 29°F | 0" | -- |
| 1981 | 72°F | 31°F | 0" | 0" |
| 1980 | 33°F | 29°F | 0" | 0" |
| 1979 | 67°F | 30°F | 0" | 0" |
| 1978 | 76°F | 43°F | 0" | 0" |
| 1977 | 70°F | 33°F | 0" | 0" |
| 1976 | 71°F | 21°F | 0" | 0" |
| 1975 | 53°F | 22°F | 0" | 0" |
| 1974 | 53°F | 25°F | 0" | 0" |
| 1973 | 40°F | 10°F | 0" | 0" |
| 1972 | 65°F | 33°F | 0" | 0" |
| 1971 | 62°F | 27°F | 0" | 0" |