Weather on November 20 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 20th in Great Sand Dunes National Park (via Alamosa, CO) typically brings chilly fall weather, with average highs around 47°F and lows near 9°F — a 38°F daily swing. Over 55 years of records, the warmest November 20th was in 2020 (44°F average), while the coldest was 1975 (11°F) — a 33°F range across recorded history. Precipitation has occurred on 16% of recorded November 20th dates, with snow falling 15% 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 November 20th in Great Sand Dunes? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 53°F | 19°F | 0" | 0" |
| 2024 | 37°F | 6°F | 0" | 0" |
| 2023 | 45°F | 16°F | 0.03" | 0.1" |
| 2022 | 36°F | -1°F | 0" | 0" |
| 2021 | 59°F | 15°F | 0" | 0" |
| 2020 | 66°F | 21°F | 0" | 0" |
| 2019 | 60°F | 13°F | 0" | 0" |
| 2018 | 48°F | 8°F | 0" | 0" |
| 2017 | 49°F | 6°F | 0" | 0" |
| 2016 | 52°F | 14°F | 0" | 0" |
| 2015 | 44°F | 13°F | 0" | 0" |
| 2014 | 45°F | 9°F | 0" | 0" |
| 2013 | 55°F | 19°F | 0" | 0" |
| 2012 | 56°F | 8°F | 0" | 0" |
| 2011 | 51°F | 14°F | 0" | -- |
| 2010 | 58°F | 12°F | 0" | 0" |
| 2009 | 57°F | 7°F | 0" | 0" |
| 2008 | 59°F | 10°F | 0" | 0" |
| 2007 | 68°F | 16°F | 0" | 0" |
| 2006 | 53°F | 9°F | 0" | 0" |
| 2005 | 46°F | 2°F | 0" | 0" |
| 2004 | 44°F | 17°F | 0.05" | 0.2" |
| 2003 | 59°F | 14°F | 0" | 0" |
| 2002 | 53°F | 8°F | 0" | 0" |
| 2001 | 51°F | 3°F | 0" | 0" |
| 2000 | 45°F | 1°F | 0" | 0" |
| 1999 | 58°F | 9°F | 0" | 0" |
| 1998 | 40°F | 10°F | 0" | 0" |
| 1997 | 46°F | 14°F | 0.03" | 0.1" |
| 1996 | 61°F | 21°F | 0" | 0" |
| 1995 | 56°F | 14°F | 0" | 0" |
| 1994 | 28°F | -4°F | 0.48" | 3" |
| 1993 | 41°F | 3°F | 0" | 0" |
| 1992 | 32°F | 22°F | 0.05" | 0" |
| 1991 | 32°F | -1°F | 0" | 0" |
| 1990 | 51°F | 32°F | 0" | 0" |
| 1989 | 65°F | 8°F | 0" | 0" |
| 1988 | 32°F | -9°F | 0" | 0" |
| 1987 | 46°F | 3°F | 0" | 0" |
| 1986 | 52°F | 20°F | 0" | 0" |
| 1985 | 33°F | -8°F | 0" | 0" |
| 1984 | 44°F | 6°F | 0" | 0" |
| 1983 | 33°F | 0°F | 0" | 0" |
| 1982 | 45°F | 18°F | 0" | 0" |
| 1981 | 46°F | 6°F | 0" | 0" |
| 1980 | 43°F | -5°F | 0" | 0" |
| 1979 | 31°F | 0°F | 0.05" | 0.2" |
| 1978 | 48°F | 8°F | 0" | 0" |
| 1977 | 40°F | 16°F | 0.03" | 0.1" |
| 1976 | 56°F | 10°F | 0" | 0" |
| 1975 | 30°F | -8°F | 0" | 0" |
| 1974 | 46°F | 5°F | 0" | 0" |
| 1973 | 38°F | 11°F | 0.13" | 0.7" |
| 1972 | 34°F | 7°F | 0.43" | 1.9" |
| 1971 | 32°F | -5°F | 0" | 0" |