Weather on April 20 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
April 20th in Yellowstone National Park (via Jackson, WY) typically brings cool spring weather, with average highs around 53°F and lows near 25°F — a 28°F daily swing. Over 55 years of records, the warmest April 20th was in 1994 (52°F average), while the coldest was 1982 (22°F) — a 30°F range across recorded history. Precipitation has occurred on 18% of recorded April 20th dates, with snow falling 2% of the time (heaviest snowfall: 4"). The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Yellowstone? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 50°F | 25°F | -- | -- |
| 2024 | 47°F | 15°F | 0" | 0" |
| 2023 | 32°F | 16°F | 0" | 0" |
| 2022 | 45°F | 31°F | 0" | 0" |
| 2021 | 49°F | 10°F | 0" | 0" |
| 2020 | 52°F | 23°F | 0" | 0" |
| 2019 | 64°F | 30°F | 0" | 0" |
| 2018 | 58°F | 33°F | 0" | 0" |
| 2017 | 49°F | 22°F | 0" | 0" |
| 2016 | 57°F | 31°F | 0" | 0" |
| 2015 | 54°F | 25°F | 0" | 0" |
| 2014 | 60°F | 27°F | 0" | 0" |
| 2013 | 44°F | 31°F | 0.05" | 0" |
| 2012 | 57°F | 32°F | 0.25" | -- |
| 2011 | 40°F | 10°F | 0" | 0" |
| 2010 | 69°F | 33°F | 0" | -- |
| 2009 | 61°F | 25°F | 0" | 0" |
| 2008 | 58°F | 27°F | 0" | 0" |
| 2007 | 45°F | 17°F | 0" | 0" |
| 2006 | 58°F | 24°F | -- | -- |
| 2005 | 52°F | 28°F | -- | -- |
| 2004 | 47°F | 33°F | 0.51" | 0" |
| 2003 | 52°F | 23°F | 0" | -- |
| 2002 | 40°F | 25°F | 0" | 0" |
| 2001 | 53°F | 28°F | -- | -- |
| 2000 | 59°F | 30°F | -- | -- |
| 1999 | 61°F | 32°F | 0.46" | -- |
| 1998 | 55°F | 23°F | 0" | 0" |
| 1997 | 49°F | 40°F | -- | 0" |
| 1996 | 40°F | 24°F | -- | 0" |
| 1995 | 50°F | 24°F | 0" | 0" |
| 1994 | 76°F | 28°F | 0.08" | -- |
| 1993 | 48°F | 23°F | 0" | 0" |
| 1992 | 51°F | 19°F | 0" | 0" |
| 1991 | 58°F | 21°F | 0" | 0" |
| 1990 | 68°F | 25°F | 0" | 0" |
| 1989 | 74°F | 25°F | 0" | 0" |
| 1988 | 67°F | 34°F | 0.3" | 0" |
| 1987 | 50°F | 18°F | 0" | 0" |
| 1986 | 50°F | 37°F | 0" | 0" |
| 1985 | 43°F | 19°F | 0" | 0" |
| 1984 | 47°F | 35°F | 0.51" | 0" |
| 1983 | 60°F | 24°F | 0" | 0" |
| 1982 | 38°F | 6°F | 0" | 0" |
| 1981 | 50°F | 31°F | 0.69" | 0" |
| 1980 | 74°F | 20°F | 0" | 0" |
| 1979 | 48°F | 15°F | 0" | 0" |
| 1978 | 57°F | 23°F | 0" | 0" |
| 1977 | 52°F | 12°F | 0" | 0" |
| 1976 | 47°F | 21°F | 0" | 0" |
| 1975 | 46°F | 32°F | 0" | 0" |
| 1974 | 50°F | 31°F | 0" | 0" |
| 1973 | 39°F | 24°F | 0.43" | 4" |
| 1972 | 51°F | 17°F | 0" | 0" |
| 1971 | 40°F | 28°F | 0.66" | 0" |