Weather on December 11 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 11th in Great Sand Dunes National Park (via Alamosa, CO) typically brings cold winter weather, with average highs around 38°F and lows near 2°F — a 36°F daily swing. Over 55 years of records, the warmest December 11th was in 2015 (37°F average), while the coldest was 1978 (-3°F) — a 40°F range across recorded history. Precipitation has occurred on 22% of recorded December 11th dates, with snow falling 20% of the time (heaviest snowfall: 5.3"). The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for December 11th in Great Sand Dunes? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 50°F | 16°F | 0" | -- |
| 2024 | 27°F | -5°F | 0" | 0" |
| 2023 | 37°F | -4°F | 0" | 0" |
| 2022 | 42°F | 3°F | 0" | 0" |
| 2021 | 37°F | -6°F | 0.05" | 0.2" |
| 2020 | 35°F | 12°F | 0.25" | 1.7" |
| 2019 | 41°F | 7°F | 0" | 0" |
| 2018 | 39°F | -2°F | 0" | 0" |
| 2017 | 49°F | 1°F | 0" | 0" |
| 2016 | 53°F | 15°F | 0" | 0" |
| 2015 | 57°F | 17°F | 0" | 0" |
| 2014 | 51°F | 6°F | 0" | 0" |
| 2013 | 17°F | -12°F | 0" | 0" |
| 2012 | 23°F | -16°F | 0.1" | 0.8" |
| 2011 | 31°F | -6°F | 0" | -- |
| 2010 | 56°F | 13°F | 0" | 0" |
| 2009 | 28°F | -14°F | 0" | 0" |
| 2008 | 32°F | -7°F | 0" | 0" |
| 2007 | 33°F | 17°F | 0.2" | 1.8" |
| 2006 | 45°F | 1°F | 0" | 0" |
| 2005 | 45°F | -5°F | 0" | 0" |
| 2004 | 54°F | 6°F | 0" | 0" |
| 2003 | 28°F | -10°F | 0" | 0" |
| 2002 | 34°F | -2°F | 0" | 0" |
| 2001 | 34°F | 9°F | 0.03" | 0.4" |
| 2000 | 30°F | 8°F | 0.23" | 1.4" |
| 1999 | 39°F | 3°F | 0" | 0" |
| 1998 | 37°F | -3°F | 0" | 0" |
| 1997 | 25°F | -4°F | 0" | 0" |
| 1996 | 50°F | 17°F | 0" | 0" |
| 1995 | 49°F | 4°F | 0" | 0" |
| 1994 | 35°F | 8°F | 0" | 0" |
| 1993 | 44°F | 5°F | 0" | 0" |
| 1992 | 26°F | -5°F | 0.03" | 0" |
| 1991 | 26°F | 7°F | 1.57" | 5.3" |
| 1990 | 52°F | 5°F | 0" | 0" |
| 1989 | 24°F | -9°F | 0.05" | 0.2" |
| 1988 | 41°F | -2°F | 0" | 0" |
| 1987 | 47°F | 17°F | 0" | 0" |
| 1986 | 26°F | -12°F | 0" | 0" |
| 1985 | 16°F | -14°F | 0.03" | 0.3" |
| 1984 | 48°F | 23°F | 0" | 0" |
| 1983 | 39°F | -2°F | 0" | 0" |
| 1982 | 37°F | 21°F | 0.13" | 0.5" |
| 1981 | 53°F | 18°F | 0" | 0" |
| 1980 | 49°F | 1°F | 0" | 0" |
| 1979 | 46°F | 8°F | 0" | 0" |
| 1978 | 17°F | -23°F | 0" | 0" |
| 1977 | 51°F | 5°F | 0" | 0" |
| 1976 | 30°F | 3°F | 0" | 0" |
| 1975 | 41°F | 6°F | 0" | 0" |
| 1974 | 35°F | -7°F | 0" | 0" |
| 1973 | 46°F | 11°F | 0" | 0" |
| 1972 | 22°F | -6°F | 0.33" | 2.3" |
| 1971 | 29°F | -3°F | 0" | 0" |