Weather on December 21 at Black Canyon of the Gunnison
Black Canyon of the Gunnison National Park
Based on 55 years of data from Montrose, CO
Elevation Note: Black Canyon of the Gunnison sits at 8,000 ft. Expect temperatures 28°F cooler than the data shown below, which comes from Montrose, CO at a lower elevation.
Planning Your Visit
December 21st in Black Canyon of the Gunnison National Park (via Montrose, CO) typically brings cold winter weather, with average highs around 39°F and lows near 17°F. Over 55 years of records, the warmest December 21st was in 2010 (50°F average), while the coldest was 1992 (12°F) — a 38°F range across recorded history. Precipitation has occurred on 15% of recorded December 21st dates, with snow falling 5% of the time. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Black Canyon of the Gunnison? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 60°F | 30°F | 0" | 0" |
| 2024 | 51°F | 18°F | 0" | 0" |
| 2023 | 49°F | 36°F | 0" | 0" |
| 2022 | 35°F | 15°F | 0" | 0" |
| 2021 | 43°F | 16°F | 0" | 0" |
| 2020 | 42°F | 16°F | 0" | 0" |
| 2019 | 45°F | 17°F | 0" | 0" |
| 2018 | 46°F | 23°F | 0" | 0" |
| 2017 | 55°F | 16°F | 0" | 0" |
| 2016 | 31°F | 10°F | 0" | -- |
| 2015 | 45°F | 23°F | 0" | 0" |
| 2014 | 40°F | 28°F | 0" | 0" |
| 2013 | 32°F | 24°F | 0.15" | 0.8" |
| 2012 | 25°F | -1°F | 0" | 0" |
| 2011 | 36°F | 13°F | 0" | 0" |
| 2010 | 54°F | 47°F | 0" | 0" |
| 2009 | 38°F | 16°F | 0" | 0" |
| 2008 | 27°F | 11°F | 0" | 0" |
| 2007 | 41°F | 26°F | 0" | 0" |
| 2006 | 25°F | 15°F | 0.08" | 0.4" |
| 2005 | 47°F | 23°F | 0" | 0" |
| 2004 | 40°F | 16°F | 0" | 0" |
| 2003 | 50°F | 26°F | 0.05" | -- |
| 2002 | 36°F | 17°F | 0.13" | 1" |
| 2001 | 51°F | 21°F | 0" | 0" |
| 2000 | 36°F | 12°F | 0" | 0" |
| 1999 | 30°F | 10°F | 0.1" | -- |
| 1998 | 44°F | 12°F | 1.91" | 0" |
| 1997 | 39°F | 15°F | 0" | 0" |
| 1996 | 32°F | 13°F | 0" | 0" |
| 1995 | 38°F | 16°F | 0" | 0" |
| 1994 | 41°F | 17°F | 0" | 0" |
| 1993 | 31°F | 9°F | 0" | -- |
| 1992 | 24°F | 0°F | 0" | -- |
| 1991 | 37°F | 20°F | 0" | 0" |
| 1990 | 26°F | 0°F | 0.23" | -- |
| 1989 | 42°F | 12°F | 0" | 0" |
| 1988 | 44°F | 25°F | 0" | -- |
| 1987 | 37°F | 14°F | 0" | -- |
| 1986 | 42°F | 22°F | 0" | 0" |
| 1985 | 44°F | 17°F | 0" | 0" |
| 1984 | 35°F | 18°F | 0.08" | -- |
| 1983 | 23°F | 12°F | 0" | -- |
| 1982 | 51°F | 21°F | 0" | -- |
| 1981 | 51°F | 30°F | 0" | 0" |
| 1980 | 50°F | 25°F | 0" | 0" |
| 1979 | 49°F | 17°F | 0" | 0" |
| 1978 | 29°F | 8°F | 0" | 0" |
| 1977 | 28°F | 6°F | 0" | -- |
| 1976 | 39°F | 8°F | 0" | 0" |
| 1975 | 42°F | 13°F | 0" | 0" |
| 1974 | 37°F | 22°F | 0" | 0" |
| 1973 | 34°F | 8°F | 0" | 0" |
| 1972 | 35°F | 9°F | 0" | 0" |
| 1971 | 28°F | 2°F | 0" | 0" |
December 21 at Nearby Parks
Holiday Weather at Black Canyon of the Gunnison
Explore More at Black Canyon of the Gunnison
See historical weather for other dates
Back to Black Canyon of the Gunnison