Weather on June 21 at Yellowstone
Yellowstone National Park
Based on 56 years of data from Jackson, WY
Elevation Note: Yellowstone sits at 7,350 ft. Expect temperatures 26°F cooler than the data shown below, which comes from Jackson, WY at a lower elevation.
Planning Your Visit
June 21st in Yellowstone National Park (via Jackson, WY) typically brings pleasant summer weather, with average highs around 74°F and lows near 38°F — a 36°F daily swing. Over 56 years of records, the warmest June 21st was in 1988 (70°F average), while the coldest was 1989 (37°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 16% of June 21st dates historically. 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 June 21st in Yellowstone? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 73°F | 47°F | 0.13" | 0" |
| 2025 | 77°F | 45°F | 0.08" | 0" |
| 2024 | 76°F | 39°F | 0" | 0" |
| 2023 | 57°F | 31°F | 0.08" | 0" |
| 2022 | 55°F | 30°F | 0.2" | 0" |
| 2021 | 73°F | 34°F | 0" | 0" |
| 2020 | 68°F | 41°F | 0" | 0" |
| 2019 | 56°F | 33°F | 0" | 0" |
| 2018 | 66°F | 41°F | 0" | 0" |
| 2017 | 81°F | 41°F | 0.1" | 0" |
| 2016 | 84°F | 41°F | 0" | 0" |
| 2015 | 74°F | 42°F | 0" | 0" |
| 2014 | 74°F | 35°F | 0" | 0" |
| 2013 | 63°F | 30°F | 0" | 0" |
| 2012 | 76°F | 36°F | 0" | -- |
| 2011 | 68°F | 35°F | 0" | 0" |
| 2010 | 66°F | 40°F | 0" | -- |
| 2009 | 66°F | 43°F | 0" | 0" |
| 2008 | 80°F | 30°F | 0" | 0" |
| 2007 | 80°F | 48°F | 0" | -- |
| 2006 | 74°F | 32°F | -- | -- |
| 2005 | 82°F | 37°F | -- | -- |
| 2004 | 70°F | 34°F | -- | -- |
| 2003 | 53°F | 33°F | 0" | -- |
| 2002 | 85°F | 32°F | -- | -- |
| 2001 | 82°F | 32°F | 0" | -- |
| 2000 | 74°F | 33°F | -- | -- |
| 1999 | 85°F | 42°F | -- | -- |
| 1998 | 67°F | 31°F | 0" | 0" |
| 1997 | 80°F | 40°F | 0" | 0" |
| 1996 | 70°F | 37°F | 0" | -- |
| 1995 | 71°F | 42°F | 0" | 0" |
| 1994 | 90°F | 48°F | 0" | 0" |
| 1993 | 83°F | 45°F | 0" | 0" |
| 1992 | 79°F | 36°F | 0" | 0" |
| 1991 | 77°F | 42°F | 0" | 0" |
| 1990 | 75°F | 36°F | 0" | 0" |
| 1989 | 48°F | 26°F | 0" | -- |
| 1988 | 88°F | 53°F | 0.18" | 0" |
| 1987 | 80°F | 34°F | 0" | 0" |
| 1986 | 76°F | 36°F | 0" | 0" |
| 1985 | 82°F | 35°F | 0" | 0" |
| 1984 | 77°F | 33°F | 0" | 0" |
| 1983 | 66°F | 34°F | 0" | 0" |
| 1982 | 80°F | 35°F | 0" | 0" |
| 1981 | 71°F | 52°F | 0" | 0" |
| 1980 | 82°F | 36°F | 0.05" | 0" |
| 1979 | 69°F | 38°F | 0" | 0" |
| 1978 | 79°F | 35°F | 0.2" | 0" |
| 1977 | 71°F | 40°F | 0" | 0" |
| 1976 | 80°F | 40°F | 0.46" | 0" |
| 1975 | 62°F | 39°F | 0" | 0" |
| 1974 | 74°F | 44°F | 0" | 0" |
| 1973 | 76°F | 32°F | 0" | 0" |
| 1972 | 70°F | 40°F | 0" | 0" |
| 1971 | 85°F | 37°F | 0" | 0" |