Weather on December 19 at Great Sand Dunes
Great Sand Dunes National Park and Preserve
Based on 55 years of data from Alamosa, CO
Elevation Note: Great Sand Dunes sits at 8,200 ft. Expect temperatures 29°F cooler than the data shown below, which comes from Alamosa, CO at a lower elevation.
Planning Your Visit
December 19th in Great Sand Dunes National Park (via Alamosa, CO) typically brings cold winter weather, with average highs around 35°F and lows near 0°F — a 35°F daily swing. Over 55 years of records, the warmest December 19th was in 1998 (34°F average), while the coldest was 2016 (4°F) — a 30°F range across recorded history. Precipitation has occurred on 11% of recorded December 19th dates, with snow falling 11% of the time (heaviest snowfall: 3"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 19th in Great Sand Dunes? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 45°F | 12°F | 0" | -- |
| 2024 | 42°F | 6°F | 0" | 0" |
| 2023 | 35°F | -1°F | 0" | 0" |
| 2022 | 30°F | -5°F | 0" | 0" |
| 2021 | 39°F | -5°F | 0" | 0" |
| 2020 | 36°F | 3°F | 0" | 0" |
| 2019 | 24°F | -11°F | 0" | 0" |
| 2018 | 51°F | 14°F | 0" | 0" |
| 2017 | 45°F | 4°F | 0" | 0" |
| 2016 | 21°F | -13°F | 0" | 0" |
| 2015 | 36°F | 1°F | 0" | 0" |
| 2014 | 32°F | 7°F | 0" | 0" |
| 2013 | 26°F | -1°F | 0" | 0" |
| 2012 | 34°F | -4°F | 0.13" | 1" |
| 2011 | 37°F | -4°F | 0" | -- |
| 2010 | 27°F | 16°F | 0" | 0" |
| 2009 | 36°F | -5°F | 0" | 0" |
| 2008 | 41°F | 9°F | 0.03" | 0.1" |
| 2007 | 27°F | -8°F | 0" | 0" |
| 2006 | 41°F | 16°F | 0.28" | 3" |
| 2005 | 43°F | -3°F | 0" | 0" |
| 2004 | 45°F | -2°F | 0" | 0" |
| 2003 | 36°F | -2°F | 0" | 0" |
| 2002 | 30°F | 0°F | 0" | 0" |
| 2001 | 37°F | -3°F | 0" | 0" |
| 2000 | 34°F | -9°F | 0" | 0" |
| 1999 | 35°F | 2°F | 0" | 0" |
| 1998 | 47°F | 21°F | 0" | 0" |
| 1997 | 29°F | -6°F | 0" | 0" |
| 1996 | 27°F | -5°F | 0" | 0" |
| 1995 | 34°F | 2°F | 0" | 0" |
| 1994 | 43°F | 3°F | 0" | 0" |
| 1993 | 33°F | 0°F | 0.08" | 1" |
| 1992 | 27°F | -16°F | 0" | 0" |
| 1991 | 33°F | 9°F | 0.1" | 0.4" |
| 1990 | 33°F | -13°F | 0" | 0" |
| 1989 | 36°F | -7°F | 0" | 0" |
| 1988 | 36°F | 7°F | 0.05" | 0.2" |
| 1987 | 29°F | 17°F | 0" | 0" |
| 1986 | 38°F | 10°F | 0" | 0" |
| 1985 | 34°F | -7°F | 0" | 0" |
| 1984 | 39°F | 1°F | 0" | 0" |
| 1983 | 27°F | 11°F | 0" | 0" |
| 1982 | 41°F | 1°F | 0" | 0" |
| 1981 | 46°F | 4°F | 0" | 0" |
| 1980 | 44°F | 10°F | 0" | 0" |
| 1979 | 44°F | -4°F | 0" | 0" |
| 1978 | 44°F | 15°F | 0" | 0" |
| 1977 | 30°F | 2°F | 0" | 0" |
| 1976 | 34°F | -10°F | 0" | 0" |
| 1975 | 31°F | -9°F | 0" | 0" |
| 1974 | 35°F | 0°F | 0" | 0" |
| 1973 | 28°F | -8°F | 0" | 0" |
| 1972 | 30°F | -8°F | 0" | 0" |
| 1971 | 30°F | -9°F | 0" | 0" |