Weather on May 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
May 15th in Yellowstone National Park (via Jackson, WY) typically brings mild spring weather, with average highs around 64°F and lows near 32°F — a 32°F daily swing. Over 55 years of records, the warmest May 15th was in 2013 (60°F average), while the coldest was 1983 (33°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 15th dates historically, with the wettest May 15th recording 1.52" 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 May 15th in Yellowstone? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 48°F | 37°F | 0.15" | 0" |
| 2024 | 52°F | 30°F | 0.18" | 0" |
| 2023 | 68°F | 39°F | 0.43" | 0" |
| 2022 | 54°F | 29°F | 0.03" | 0" |
| 2021 | 68°F | 34°F | 0" | 0" |
| 2020 | 51°F | 38°F | 0.03" | 0" |
| 2019 | 69°F | 38°F | 0.05" | 0" |
| 2018 | 68°F | 34°F | 0" | 0" |
| 2017 | 58°F | 26°F | 0" | 0" |
| 2016 | 68°F | 37°F | 0.38" | 0" |
| 2015 | 62°F | 34°F | 0.53" | 0" |
| 2014 | 59°F | 28°F | 0" | 0" |
| 2013 | 74°F | 46°F | 0" | 0" |
| 2012 | 75°F | 38°F | 0" | -- |
| 2011 | 60°F | 30°F | 0" | 0" |
| 2010 | 66°F | 29°F | 0" | -- |
| 2009 | 55°F | 35°F | 0" | 0" |
| 2008 | 61°F | 37°F | 0" | 0" |
| 2007 | 69°F | 25°F | 0" | 0" |
| 2006 | 80°F | 32°F | -- | -- |
| 2005 | 66°F | 31°F | -- | -- |
| 2004 | 62°F | 28°F | -- | -- |
| 2003 | 71°F | 39°F | -- | -- |
| 2002 | 65°F | 24°F | 0" | 0" |
| 2001 | 75°F | 35°F | 0.89" | -- |
| 2000 | 70°F | 32°F | -- | -- |
| 1999 | 49°F | 30°F | -- | -- |
| 1998 | 51°F | 37°F | 0" | 0" |
| 1997 | 73°F | 35°F | 0" | 0" |
| 1996 | 45°F | 37°F | 1.52" | -- |
| 1995 | 69°F | 29°F | 0.25" | 0" |
| 1994 | 66°F | 37°F | 0" | 0" |
| 1993 | 71°F | 35°F | 0" | 0" |
| 1992 | 74°F | 28°F | 0" | 0" |
| 1991 | 60°F | 34°F | 0" | 0" |
| 1990 | 55°F | 31°F | 0.66" | 0" |
| 1989 | 57°F | 39°F | 0.05" | 0" |
| 1988 | 71°F | 21°F | 0" | 0" |
| 1987 | 78°F | 30°F | 0" | 0" |
| 1986 | 49°F | 26°F | 0" | 0" |
| 1985 | 65°F | 28°F | 0" | 0" |
| 1984 | 70°F | 35°F | 0.51" | 0" |
| 1983 | 46°F | 20°F | 0" | 0" |
| 1982 | 64°F | 24°F | 0" | 0" |
| 1981 | 64°F | 37°F | 0.91" | 0" |
| 1980 | 59°F | 27°F | 0.33" | -- |
| 1979 | 75°F | 30°F | 0" | 0" |
| 1978 | 76°F | 29°F | 0" | 0" |
| 1977 | 56°F | 39°F | 0.03" | 0" |
| 1976 | 72°F | 35°F | 0" | 0" |
| 1975 | 76°F | 27°F | 0" | -- |
| 1974 | 46°F | 33°F | 0.25" | 0" |
| 1973 | 74°F | 22°F | 0" | 0" |
| 1972 | 74°F | 30°F | 0" | 0" |
| 1971 | 66°F | 31°F | 0" | 0" |