Weather on March 21 at Black Canyon of the Gunnison
Black Canyon of the Gunnison National Park
Based on 56 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
March 21st in Black Canyon of the Gunnison National Park (via Montrose, CO) typically brings cool spring weather, with average highs around 57°F and lows near 30°F — a 27°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (63°F average), while the coldest was 1983 (28°F) — a 35°F range across recorded history. Precipitation has occurred on 14% of recorded March 21st dates, with snow falling 2% of the time. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Black Canyon of the Gunnison? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 86°F | 40°F | 0" | -- |
| 2025 | 53°F | 21°F | 0" | 0" |
| 2024 | 64°F | 32°F | 0" | 0" |
| 2023 | 38°F | 29°F | 0" | 0" |
| 2022 | 49°F | 24°F | 0" | 0" |
| 2021 | 69°F | 37°F | -- | 0" |
| 2020 | 51°F | 33°F | -- | 0" |
| 2019 | 55°F | 32°F | 0" | 0" |
| 2018 | 49°F | 23°F | 0" | 0" |
| 2017 | 73°F | 40°F | 0" | -- |
| 2016 | 65°F | 31°F | 0" | 0" |
| 2015 | 65°F | 33°F | 0" | 0" |
| 2014 | 60°F | 25°F | 0" | 0" |
| 2013 | 54°F | 30°F | 0.05" | 0" |
| 2012 | 46°F | 26°F | 0" | 0" |
| 2011 | 60°F | 44°F | 0" | 0" |
| 2010 | 42°F | 20°F | 0" | 0" |
| 2009 | 73°F | 40°F | 0" | 0" |
| 2008 | 61°F | 29°F | 0" | 0" |
| 2007 | 69°F | 39°F | 0" | 0" |
| 2006 | 48°F | 28°F | 0" | 0" |
| 2005 | 48°F | 26°F | 0.13" | 0" |
| 2004 | 79°F | 40°F | 0" | 0" |
| 2003 | 53°F | 34°F | 0.3" | 0" |
| 2002 | 59°F | 24°F | 0" | 0" |
| 2001 | 65°F | 34°F | 0" | 0" |
| 2000 | 59°F | 25°F | 0.89" | 1" |
| 1999 | 70°F | 37°F | 0" | -- |
| 1998 | 50°F | 26°F | 0" | 0" |
| 1997 | 74°F | 32°F | 0" | 0" |
| 1996 | 63°F | 29°F | 0" | 0" |
| 1995 | 64°F | 35°F | 0" | -- |
| 1994 | 50°F | 29°F | 0" | 0" |
| 1993 | 60°F | 30°F | 0" | -- |
| 1992 | 56°F | 29°F | 0" | 0" |
| 1991 | 49°F | 28°F | 0" | 0" |
| 1990 | 67°F | 40°F | 0" | 0" |
| 1989 | 46°F | 23°F | 0" | 0" |
| 1988 | 67°F | 27°F | 0" | 0" |
| 1987 | 42°F | 24°F | 0.1" | -- |
| 1986 | 55°F | 26°F | 0" | 0" |
| 1985 | 60°F | 28°F | 0" | 0" |
| 1984 | 64°F | 28°F | 0.41" | -- |
| 1983 | 39°F | 18°F | 0" | 0" |
| 1982 | 43°F | 17°F | 0" | -- |
| 1981 | 52°F | 32°F | 0.03" | 0" |
| 1980 | 57°F | 31°F | 0" | 0" |
| 1979 | 47°F | 34°F | 0.74" | 0" |
| 1978 | 62°F | 34°F | 0" | -- |
| 1977 | 41°F | 18°F | 0" | 0" |
| 1976 | 44°F | 18°F | 0" | -- |
| 1975 | 63°F | 38°F | 0" | -- |
| 1974 | 49°F | 19°F | 0" | -- |
| 1973 | 62°F | 33°F | 0" | -- |
| 1972 | 57°F | 28°F | 0" | 0" |
| 1971 | 58°F | 24°F | 0" | 0" |
March 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