Weather on July 20 at Yellowstone
Yellowstone National Park
Based on 55 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
July 20th in Yellowstone National Park (via Jackson, WY) typically brings warm summer weather, with average highs around 82°F and lows near 43°F — a 39°F daily swing. Over 55 years of records, the warmest July 20th was in 2003 (74°F average), while the coldest was 1972 (53°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 22% of July 20th dates historically, with the wettest July 20th recording 1.98" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for July 20th in Yellowstone? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 83°F | 41°F | 0" | -- |
| 2024 | 85°F | 47°F | 0.08" | 0" |
| 2023 | 82°F | 40°F | 0" | 0" |
| 2022 | 81°F | 36°F | 0" | 0" |
| 2021 | 89°F | 56°F | 0.05" | 0" |
| 2020 | 78°F | 38°F | 0" | 0" |
| 2019 | 77°F | 38°F | 0" | 0" |
| 2018 | 82°F | 40°F | 0" | 0" |
| 2017 | 84°F | 45°F | 0" | 0" |
| 2016 | 84°F | 44°F | 0" | 0" |
| 2015 | 70°F | 38°F | 0.03" | 0" |
| 2014 | 81°F | 49°F | 0" | 0" |
| 2013 | 85°F | 39°F | 0" | 0" |
| 2012 | 77°F | 57°F | 0" | -- |
| 2011 | 81°F | 49°F | 0.08" | 0" |
| 2010 | 79°F | -- | 1.45" | 0" |
| 2009 | 83°F | 41°F | 0" | 0" |
| 2008 | 85°F | 35°F | 0" | 0" |
| 2007 | 91°F | 43°F | 0" | 0" |
| 2006 | 91°F | 55°F | -- | -- |
| 2005 | 90°F | 40°F | -- | -- |
| 2004 | 82°F | 53°F | -- | -- |
| 2003 | 94°F | 54°F | 0" | 0" |
| 2002 | 84°F | 46°F | 0.1" | -- |
| 2001 | 84°F | 34°F | -- | -- |
| 2000 | 84°F | 40°F | 0" | 0" |
| 1999 | 84°F | 49°F | 0.2" | -- |
| 1998 | 93°F | -- | 0" | 0" |
| 1997 | 75°F | 43°F | -- | 0" |
| 1996 | 71°F | 43°F | 0" | -- |
| 1995 | 78°F | 46°F | 0" | 0" |
| 1994 | 79°F | 36°F | 0" | 0" |
| 1993 | 80°F | 38°F | 0" | 0" |
| 1992 | 80°F | 41°F | 0.43" | 0" |
| 1991 | 81°F | 36°F | 0" | 0" |
| 1990 | 86°F | 50°F | 0" | 0" |
| 1989 | 93°F | 46°F | 0" | 0" |
| 1988 | 86°F | 35°F | 0" | 0" |
| 1987 | 78°F | 41°F | 0" | 0" |
| 1986 | 84°F | 39°F | 0" | 0" |
| 1985 | 85°F | 35°F | 0" | 0" |
| 1984 | 79°F | 40°F | 0" | 0" |
| 1983 | 80°F | 35°F | 0" | 0" |
| 1982 | 87°F | 38°F | 1.02" | 0" |
| 1981 | 86°F | 32°F | 0" | 0" |
| 1980 | 80°F | 35°F | 0" | 0" |
| 1979 | 85°F | 38°F | 0" | 0" |
| 1978 | 84°F | 34°F | 0" | 0" |
| 1977 | 86°F | 45°F | 0.03" | 0" |
| 1976 | 77°F | 40°F | 0" | 0" |
| 1975 | 82°F | 47°F | 0" | 0" |
| 1974 | 83°F | 50°F | 0" | 0" |
| 1973 | 65°F | 52°F | 1.98" | 0" |
| 1972 | 57°F | 48°F | 1.52" | 0" |
| 1971 | 81°F | 52°F | 0" | 0" |