Weather on December 15 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
December 15th in Yellowstone National Park (via Jackson, WY) typically brings very cold winter weather, with average highs around 29°F and lows near 8°F. Over 55 years of records, the warmest December 15th was in 2006 (38°F average), while the coldest was 1972 (-19°F) — a 57°F range across recorded history. Precipitation has occurred on 45% of recorded December 15th dates, with snow falling 35% of the time (heaviest snowfall: 8"). The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
Planning for December 15th in Yellowstone? 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 |
|---|---|---|---|---|
| 2025 | 38°F | 10°F | 0" | 0" |
| 2024 | 33°F | 28°F | 1.02" | 8" |
| 2023 | 26°F | 7°F | 0" | 0" |
| 2022 | 23°F | -1°F | 0.13" | 0.5" |
| 2021 | 39°F | 20°F | 0.71" | 3.1" |
| 2020 | 20°F | -7°F | 0" | 0" |
| 2019 | 25°F | -11°F | 0.03" | 0.3" |
| 2018 | 35°F | -4°F | 0" | 0" |
| 2017 | 30°F | 3°F | 0" | 0" |
| 2016 | 39°F | 9°F | 0.89" | 2.5" |
| 2015 | 28°F | 15°F | 0.3" | 2" |
| 2014 | 28°F | 16°F | 0.25" | 1" |
| 2013 | 30°F | 7°F | 0" | 0" |
| 2012 | 32°F | 18°F | 0.2" | 0.8" |
| 2011 | 25°F | 1°F | 0" | -- |
| 2010 | 38°F | 15°F | 0.48" | 0.5" |
| 2009 | 26°F | 13°F | 0.25" | -- |
| 2008 | 19°F | 7°F | 0.25" | 4" |
| 2007 | 19°F | -5°F | 0" | 0" |
| 2006 | 44°F | 32°F | 1.27" | -- |
| 2005 | 22°F | -11°F | -- | -- |
| 2004 | 44°F | 30°F | -- | 0" |
| 2003 | 39°F | 15°F | -- | -- |
| 2002 | 42°F | 30°F | 0" | 0" |
| 2001 | 39°F | 15°F | -- | -- |
| 2000 | 30°F | 23°F | 0.51" | 4" |
| 1999 | 22°F | 10°F | 1.02" | -- |
| 1998 | 43°F | 8°F | 0" | 0" |
| 1997 | 27°F | 18°F | 1.02" | -- |
| 1996 | 26°F | 12°F | 0.48" | 1" |
| 1995 | 42°F | 26°F | 0" | 0" |
| 1994 | 30°F | 5°F | 0.25" | 2" |
| 1993 | 23°F | -2°F | 0" | 0" |
| 1992 | 21°F | 0°F | 0.15" | 0.1" |
| 1991 | 25°F | -8°F | 0" | 0" |
| 1990 | 23°F | -25°F | 0" | 0" |
| 1989 | 36°F | 26°F | 0.08" | 0.8" |
| 1988 | 27°F | -1°F | 0" | 0" |
| 1987 | 15°F | -11°F | 0" | 0" |
| 1986 | 26°F | 0°F | 0" | 0" |
| 1985 | 27°F | -12°F | 0" | 0" |
| 1984 | 4°F | -25°F | 0" | 0" |
| 1983 | 26°F | 12°F | 0" | 0" |
| 1982 | 32°F | 22°F | 0.05" | 1.5" |
| 1981 | 37°F | 31°F | 0.76" | -- |
| 1980 | 35°F | -5°F | 0" | -- |
| 1979 | 41°F | 32°F | 0" | 0" |
| 1978 | 31°F | 20°F | 0.05" | 0.3" |
| 1977 | 41°F | 33°F | 0.81" | 0" |
| 1976 | 28°F | -6°F | 0" | 0" |
| 1975 | 37°F | 11°F | 0.38" | 1.5" |
| 1974 | 25°F | 0°F | 0.86" | 4" |
| 1973 | 35°F | 20°F | 0" | 0" |
| 1972 | -6°F | -33°F | 0" | 0" |
| 1971 | 22°F | 15°F | 0" | 0" |