Weather on January 18 at Grand Teton
Grand Teton National Park
Based on 56 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
January 18th in Grand Teton National Park (via Jackson, WY) typically brings very cold winter weather, with average highs around 29°F and lows near 6°F. Over 56 years of records, the warmest January 18th was in 1975 (37°F average), while the coldest was 1984 (-15°F) — a 52°F range across recorded history. Precipitation has occurred on 30% of recorded January 18th dates, with snow falling 25% of the time (heaviest snowfall: 5"). 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 January 18th in Grand Teton? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 29°F | 0°F | 0" | 0" |
| 2025 | 31°F | -12°F | 0" | 0.1" |
| 2024 | 32°F | 7°F | 0.89" | 4.5" |
| 2023 | 19°F | -14°F | 0" | 0" |
| 2022 | 18°F | -2°F | 0" | 0" |
| 2021 | 35°F | 13°F | 0.03" | 0.2" |
| 2020 | 27°F | 8°F | 0.03" | 0.2" |
| 2019 | 33°F | 18°F | -- | -- |
| 2018 | 22°F | 6°F | 0" | 0" |
| 2017 | 6°F | -17°F | 0" | 0" |
| 2016 | 34°F | 27°F | 0.13" | 1" |
| 2015 | 37°F | 8°F | 0.1" | 0" |
| 2014 | 24°F | 0°F | 0" | 0" |
| 2013 | 16°F | -18°F | 0" | 0" |
| 2012 | 32°F | 19°F | 0.71" | -- |
| 2011 | 32°F | 24°F | 0.08" | 0" |
| 2010 | 32°F | 7°F | 0" | 0" |
| 2009 | 18°F | -8°F | 0" | 0" |
| 2008 | 13°F | -8°F | 0.08" | 1" |
| 2007 | 13°F | -6°F | 0" | -- |
| 2006 | 26°F | 9°F | 1.02" | -- |
| 2005 | 42°F | 11°F | -- | -- |
| 2004 | 15°F | -3°F | -- | -- |
| 2003 | 25°F | 4°F | -- | -- |
| 2002 | 23°F | 4°F | 0" | 0.3" |
| 2001 | 14°F | -13°F | -- | -- |
| 2000 | 42°F | 21°F | 0.56" | -- |
| 1999 | 35°F | 20°F | -- | -- |
| 1998 | 30°F | 16°F | 0" | -- |
| 1997 | 28°F | -3°F | 0" | 0" |
| 1996 | 22°F | -24°F | 0" | 0" |
| 1995 | 44°F | 8°F | 0.13" | 1" |
| 1994 | 45°F | 9°F | 0.05" | 0" |
| 1993 | 23°F | -12°F | 0.13" | 0.7" |
| 1992 | 25°F | -14°F | 0" | 0" |
| 1991 | 31°F | 9°F | 0" | 0" |
| 1990 | 19°F | -14°F | 0" | 0" |
| 1989 | 34°F | 12°F | 0" | 0" |
| 1988 | 24°F | -17°F | 0" | 0" |
| 1987 | 18°F | 4°F | 0.03" | 0.3" |
| 1986 | 40°F | 24°F | 0" | 0" |
| 1985 | 42°F | 13°F | 0" | 0" |
| 1984 | 6°F | -36°F | 0" | 0" |
| 1983 | 28°F | 13°F | 0" | 0" |
| 1982 | 36°F | 22°F | 0" | 0.1" |
| 1981 | 44°F | 21°F | 0" | 0" |
| 1980 | 28°F | 10°F | 0" | 0" |
| 1979 | 28°F | 2°F | 0.15" | 2.5" |
| 1978 | 40°F | 20°F | 0" | 0" |
| 1977 | 42°F | 10°F | 0" | 0" |
| 1976 | 40°F | 25°F | 0" | 0" |
| 1975 | 41°F | 33°F | 0" | 0" |
| 1974 | 34°F | 15°F | 0" | 0" |
| 1973 | 37°F | 25°F | 0.05" | 0.5" |
| 1972 | 37°F | 32°F | 0.61" | 5" |
| 1971 | 39°F | 29°F | 0" | 0" |