Weather on August 19 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 19th in Grand Teton National Park (via Jackson, WY) typically brings pleasant summer weather, with average highs around 79°F and lows near 40°F — a 39°F daily swing. Over 55 years of records, the warmest August 19th was in 1981 (70°F average), while the coldest was 1978 (48°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 19th dates historically, with the wettest August 19th recording 2.24" 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 19th in Grand Teton? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 36°F | 0" | 0" |
| 2024 | 82°F | 47°F | 0.51" | 0" |
| 2023 | 79°F | 46°F | 0.05" | 0" |
| 2022 | 84°F | 46°F | 0" | 0" |
| 2021 | 52°F | 48°F | 2.24" | 0" |
| 2020 | 87°F | 50°F | 0" | 0" |
| 2019 | 78°F | 36°F | 0" | 0" |
| 2018 | 73°F | 37°F | 0.05" | 0" |
| 2017 | 78°F | 35°F | 0" | 0" |
| 2016 | 88°F | 44°F | 0.38" | 0" |
| 2015 | 68°F | 34°F | 0.08" | 0" |
| 2014 | 78°F | 45°F | 0" | 0" |
| 2013 | 84°F | 37°F | 0" | 0" |
| 2012 | 75°F | 49°F | 0" | -- |
| 2011 | 81°F | 39°F | 2.06" | 0" |
| 2010 | 79°F | 46°F | 0" | 0" |
| 2009 | 71°F | 34°F | 0" | 0" |
| 2008 | 86°F | 37°F | 0" | 0" |
| 2007 | 76°F | 44°F | 0" | 0" |
| 2006 | 81°F | 30°F | -- | -- |
| 2005 | 70°F | 38°F | 0.36" | -- |
| 2004 | 73°F | 50°F | -- | -- |
| 2003 | 90°F | 40°F | -- | -- |
| 2002 | 83°F | 46°F | -- | -- |
| 2001 | 86°F | 35°F | -- | -- |
| 2000 | 78°F | 37°F | 0" | -- |
| 1999 | 87°F | 37°F | -- | -- |
| 1998 | 76°F | 43°F | 0.15" | 0" |
| 1997 | 79°F | 39°F | 0" | 0" |
| 1996 | 77°F | 29°F | 0" | 0" |
| 1995 | 75°F | 26°F | 0.03" | 0" |
| 1994 | 87°F | 40°F | 0" | 0" |
| 1993 | 79°F | 38°F | 0" | 0" |
| 1992 | 87°F | 38°F | 0" | 0" |
| 1991 | 83°F | 42°F | 0" | 0" |
| 1990 | 76°F | 46°F | 0.18" | 0" |
| 1989 | 73°F | 38°F | 0" | 0" |
| 1988 | 89°F | 31°F | 0" | 0" |
| 1987 | 83°F | 29°F | 0" | 0" |
| 1986 | 91°F | 39°F | 0" | 0" |
| 1985 | 82°F | 39°F | 0.03" | 0" |
| 1984 | 85°F | 53°F | 0" | 0" |
| 1983 | 72°F | 54°F | 0.36" | 0" |
| 1982 | 85°F | 44°F | 0" | 0" |
| 1981 | 98°F | 42°F | 0" | 0" |
| 1980 | 65°F | 40°F | 0.05" | 0" |
| 1979 | 68°F | 39°F | 0" | 0" |
| 1978 | 70°F | 26°F | 0" | 0" |
| 1977 | 85°F | 39°F | 0.05" | 0" |
| 1976 | 76°F | 44°F | 0" | 0" |
| 1975 | 78°F | 35°F | 0" | 0" |
| 1974 | 85°F | 39°F | 0" | 0" |
| 1973 | 85°F | 33°F | 0.25" | 0" |
| 1972 | 62°F | 47°F | 0.25" | 0" |
| 1971 | 83°F | 32°F | 0" | 0" |