Weather on August 20 at Black Canyon of the Gunnison
Black Canyon of the Gunnison National Park
Based on 54 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
August 20th in Black Canyon of the Gunnison National Park (via Montrose, CO) typically brings warm summer weather, with average highs around 86°F and lows near 55°F — a 31°F daily swing. Over 54 years of records, the warmest August 20th was in 2020 (79°F average), while the coldest was 2021 (56°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 20th dates historically, with the wettest August 20th recording 1.32" of rain. 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 August 20th in Black Canyon of the Gunnison? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 96°F | 58°F | 0" | 0" |
| 2024 | 92°F | 58°F | -- | 0" |
| 2023 | 92°F | 59°F | 0" | 0" |
| 2022 | 79°F | 57°F | 0" | 0" |
| 2021 | 68°F | 44°F | 0" | 0" |
| 2020 | 97°F | 62°F | 0" | 0" |
| 2019 | 95°F | 56°F | 0" | 0" |
| 2018 | 88°F | 54°F | 0" | 0" |
| 2017 | 90°F | 56°F | 0" | -- |
| 2016 | 84°F | 52°F | 0" | 0" |
| 2015 | 80°F | 50°F | 0" | 0" |
| 2014 | 82°F | 58°F | 0.71" | 0" |
| 2013 | 91°F | 59°F | 0" | 0" |
| 2012 | 91°F | 55°F | 0" | 0" |
| 2011 | 89°F | 57°F | 0.41" | 0" |
| 2010 | 83°F | 49°F | 0.28" | 0" |
| 2009 | 84°F | 47°F | 0" | 0" |
| 2008 | 88°F | 51°F | 0" | 0" |
| 2007 | 90°F | 60°F | 0" | 0" |
| 2006 | 86°F | 59°F | 0" | 0" |
| 2005 | 84°F | 51°F | 1.27" | 0" |
| 2004 | 77°F | 51°F | 0.41" | 0" |
| 2003 | 89°F | 57°F | 0" | 0" |
| 2002 | 93°F | 52°F | 0.66" | 0" |
| 2001 | 91°F | 58°F | 0.33" | 0" |
| 2000 | 84°F | 60°F | -- | -- |
| 1999 | 86°F | 56°F | 0.25" | 0" |
| 1998 | 87°F | 55°F | 0" | 0" |
| 1997 | 86°F | 55°F | 0" | 0" |
| 1996 | 87°F | 58°F | 0" | 0" |
| 1995 | 87°F | 57°F | 1.32" | 0" |
| 1994 | 88°F | 58°F | 0.23" | 0" |
| 1993 | 80°F | 53°F | 0.03" | 0" |
| 1992 | 88°F | 54°F | 0" | 0" |
| 1990 | 85°F | 57°F | 0" | 0" |
| 1989 | 81°F | 51°F | 0.08" | 0" |
| 1988 | 93°F | 60°F | 0" | 0" |
| 1987 | 92°F | 59°F | 0" | 0" |
| 1986 | 93°F | 61°F | 0" | 0" |
| 1985 | 90°F | 56°F | 0" | 0" |
| 1984 | 81°F | 42°F | 0.05" | 0" |
| 1983 | 81°F | 54°F | 0.43" | 0" |
| 1982 | 90°F | 62°F | 0" | 0" |
| 1981 | 88°F | 56°F | 0" | 0" |
| 1980 | 80°F | 45°F | 0" | 0" |
| 1979 | 70°F | 50°F | 0.08" | 0" |
| 1978 | 85°F | 50°F | 0" | 0" |
| 1977 | 86°F | 58°F | 0" | 0" |
| 1976 | 85°F | 53°F | 0" | 0" |
| 1975 | 84°F | 60°F | 0" | 0" |
| 1974 | 80°F | 56°F | 0.13" | 0" |
| 1973 | 88°F | 55°F | 0" | 0" |
| 1972 | 83°F | 58°F | 0.3" | 0" |
| 1971 | 84°F | 61°F | 0" | 0" |
August 20 at Nearby Parks
Holiday Weather at Black Canyon of the Gunnison
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See historical weather for other dates
Back to Black Canyon of the Gunnison