Weather on November 21 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
November 21st in Great Sand Dunes National Park (via Alamosa, CO) typically brings chilly fall weather, with average highs around 47°F and lows near 10°F — a 37°F daily swing. Over 55 years of records, the warmest November 21st was in 2016 (48°F average), while the coldest was 1979 (8°F) — a 40°F range across recorded history. Precipitation has occurred on 9% of recorded November 21st dates, with snow falling 5% of the time. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for November 21st in Great Sand Dunes? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 40°F | 31°F | 1.09" | 0" |
| 2024 | 40°F | 7°F | 0" | 0" |
| 2023 | 47°F | 11°F | 0" | 0" |
| 2022 | 40°F | -1°F | 0" | 0" |
| 2021 | 55°F | 18°F | 0" | 0" |
| 2020 | 62°F | 21°F | 0" | 0" |
| 2019 | 55°F | 31°F | 0.03" | 0" |
| 2018 | 48°F | 8°F | 0" | 0" |
| 2017 | 49°F | 10°F | 0" | 0" |
| 2016 | 59°F | 37°F | 0" | 0" |
| 2015 | 54°F | 10°F | 0" | 0" |
| 2014 | 44°F | 9°F | 0" | 0" |
| 2013 | 51°F | 29°F | 0" | 0" |
| 2012 | 57°F | 3°F | 0" | 0" |
| 2011 | 51°F | 11°F | 0" | -- |
| 2010 | 57°F | 17°F | 0" | 0" |
| 2009 | 50°F | 7°F | 0" | 0" |
| 2008 | 49°F | 12°F | 0" | 0" |
| 2007 | 64°F | 17°F | 0" | 0" |
| 2006 | 55°F | 6°F | 0" | 0" |
| 2005 | 49°F | 4°F | 0" | 0" |
| 2004 | 47°F | 19°F | 0" | 0" |
| 2003 | 56°F | 21°F | 0" | 0" |
| 2002 | 55°F | 7°F | 0" | 0" |
| 2001 | 50°F | -1°F | 0" | 0" |
| 2000 | 42°F | 4°F | 0" | 0" |
| 1999 | 50°F | 9°F | 0" | 0" |
| 1998 | 49°F | 9°F | 0" | 0" |
| 1997 | 33°F | 7°F | 0" | 0" |
| 1996 | 58°F | 13°F | 0" | 0" |
| 1995 | 51°F | 11°F | 0" | 0" |
| 1994 | 32°F | -7°F | 0" | 0" |
| 1993 | 40°F | 3°F | 0" | 0" |
| 1992 | 36°F | 10°F | 0" | 0" |
| 1991 | 35°F | 7°F | 0" | 0" |
| 1990 | 43°F | 17°F | 0" | 0" |
| 1989 | 61°F | 15°F | 0" | 0" |
| 1988 | 33°F | -8°F | 0" | 0" |
| 1987 | 51°F | 3°F | 0" | 0" |
| 1986 | 54°F | 15°F | 0" | 0" |
| 1985 | 34°F | 16°F | 0.03" | 0.1" |
| 1984 | 46°F | 3°F | 0" | 0" |
| 1983 | 37°F | 26°F | 0.15" | 0.6" |
| 1982 | 48°F | 9°F | 0" | 0" |
| 1981 | 51°F | 13°F | 0" | 0" |
| 1980 | 43°F | -5°F | 0" | 0" |
| 1979 | 26°F | -10°F | 0" | 0" |
| 1978 | 47°F | 12°F | 0" | 0" |
| 1977 | 46°F | 7°F | 0" | 0" |
| 1976 | 52°F | 10°F | 0" | 0" |
| 1975 | 26°F | -8°F | 0.08" | 0.3" |
| 1974 | 51°F | 4°F | 0" | 0" |
| 1973 | 39°F | 9°F | 0" | 0" |
| 1972 | 33°F | -4°F | 0" | 0" |
| 1971 | 35°F | 2°F | 0" | 0" |