Weather on August 31 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
August 31st in Yellowstone National Park (via Jackson, WY) typically brings pleasant summer weather, with average highs around 77°F and lows near 38°F — a 39°F daily swing. Over 55 years of records, the warmest August 31st was in 2008 (68°F average), while the coldest was 2010 (42°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 31st dates historically, with the wettest August 31st recording 0.76" 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 31st in Yellowstone? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 78°F | 34°F | 0" | 0" |
| 2024 | 81°F | 41°F | 0" | 0" |
| 2023 | 69°F | 36°F | 0" | 0" |
| 2022 | 82°F | 39°F | 0" | 0" |
| 2021 | 78°F | 33°F | 0" | 0" |
| 2020 | 71°F | 29°F | 0" | 0" |
| 2019 | 79°F | 32°F | 0.05" | 0" |
| 2018 | 77°F | 36°F | 0" | 0" |
| 2017 | 75°F | 46°F | 0" | 0" |
| 2016 | 84°F | 38°F | 0" | 0" |
| 2015 | 74°F | 44°F | 0" | 0" |
| 2014 | 70°F | 39°F | 0.51" | 0" |
| 2013 | 82°F | 36°F | 0" | 0" |
| 2012 | 72°F | 45°F | 0" | 0" |
| 2011 | 82°F | 46°F | 0.38" | 0" |
| 2010 | 59°F | 25°F | 0.08" | 0" |
| 2009 | 80°F | 43°F | 0.23" | 0" |
| 2008 | 85°F | 52°F | 0" | 0" |
| 2007 | 85°F | 46°F | 0.03" | 0" |
| 2006 | 81°F | 32°F | -- | -- |
| 2005 | 70°F | 25°F | -- | -- |
| 2004 | 81°F | 35°F | -- | -- |
| 2003 | 73°F | 48°F | -- | -- |
| 2002 | 80°F | 37°F | -- | -- |
| 2001 | 66°F | 46°F | 0" | -- |
| 2000 | 70°F | 42°F | 0.76" | -- |
| 1999 | 59°F | 34°F | 0" | -- |
| 1998 | 83°F | 45°F | 0" | 0" |
| 1997 | 83°F | 38°F | 0" | 0" |
| 1996 | 86°F | 36°F | 0" | 0" |
| 1995 | 83°F | 30°F | 0" | 0" |
| 1994 | 78°F | 32°F | 0" | 0" |
| 1993 | 73°F | 26°F | 0" | 0" |
| 1992 | 77°F | 41°F | 0.08" | 0" |
| 1991 | 84°F | 35°F | 0" | 0" |
| 1990 | 78°F | 29°F | 0" | 0" |
| 1989 | 80°F | 38°F | 0" | 0" |
| 1988 | 86°F | 44°F | 0" | 0" |
| 1987 | 83°F | 32°F | 0" | 0" |
| 1986 | 76°F | 37°F | 0.05" | 0" |
| 1985 | 80°F | 54°F | 0" | 0" |
| 1984 | 79°F | 44°F | 0.51" | 0" |
| 1983 | 84°F | 36°F | 0" | 0" |
| 1982 | 74°F | 45°F | 0.36" | 0" |
| 1981 | 75°F | 29°F | 0" | 0" |
| 1980 | 64°F | 38°F | 0.08" | 0" |
| 1979 | 82°F | 45°F | 0" | 0" |
| 1978 | 79°F | 29°F | 0" | 0" |
| 1977 | 67°F | 27°F | 0.18" | 0" |
| 1976 | 78°F | 31°F | 0" | 0" |
| 1975 | 78°F | 30°F | 0" | 0" |
| 1974 | 80°F | 37°F | 0" | 0" |
| 1973 | 66°F | 41°F | 0" | 0" |
| 1972 | 72°F | 41°F | 0.05" | 0" |
| 1971 | 76°F | 45°F | 0.08" | 0" |