Weather on August 31 at Grand Teton
Grand Teton National Park
Based on 55 years of data from Jackson, WY
Elevation Note: Grand Teton sits at 6,800 ft. Expect temperatures 24°F cooler than the data shown below, which comes from Jackson, WY at a lower elevation.
Planning Your Visit
August 31st in Grand Teton 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 Grand Teton? 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" |