Weather on December 21 at Zion
Zion National Park
Based on 55 years of data from Springdale, UT
Elevation Note: Zion sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Springdale, UT at a lower elevation.
Planning Your Visit
December 21st in Zion National Park (via Springdale, UT) typically brings cool winter weather, with average highs around 53°F and lows near 30°F. Over 55 years of records, the warmest December 21st was in 2024 (57°F average), while the coldest was 1990 (20°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 21st dates historically, with the wettest December 21st recording 1.45" of rain. The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Zion? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 39°F | 0" | 0" |
| 2024 | 69°F | 44°F | -- | -- |
| 2023 | 64°F | 48°F | 0" | 0" |
| 2022 | 52°F | 21°F | 0" | 0" |
| 2021 | 49°F | 31°F | 0" | 0" |
| 2020 | 61°F | 16°F | 0" | 0" |
| 2019 | 55°F | 39°F | 0" | 0" |
| 2018 | 68°F | 38°F | 0" | 0" |
| 2017 | 60°F | 26°F | 0" | 0" |
| 2016 | 56°F | 31°F | 0" | 0" |
| 2015 | 43°F | 31°F | 0.05" | 0" |
| 2014 | 53°F | 29°F | 0" | 0" |
| 2013 | 51°F | 24°F | 0" | 0" |
| 2012 | 51°F | 18°F | 0" | 0" |
| 2011 | 52°F | 19°F | 0" | 0" |
| 2010 | 53°F | 42°F | -- | 0" |
| 2009 | 50°F | 30°F | 0" | 0" |
| 2008 | 49°F | 26°F | 0" | 0" |
| 2007 | 47°F | 26°F | 0.56" | 0" |
| 2006 | 47°F | 19°F | 0" | 0" |
| 2005 | 64°F | 43°F | 0" | 0" |
| 2004 | 55°F | 36°F | 0" | 0" |
| 2003 | 61°F | 43°F | 0" | 0" |
| 2002 | 35°F | 26°F | 0.33" | 0" |
| 2001 | 52°F | 22°F | 0" | 0" |
| 2000 | 57°F | 19°F | 0" | 0" |
| 1999 | 53°F | 19°F | 0" | 0" |
| 1998 | 44°F | 26°F | 0.1" | 0" |
| 1997 | 46°F | 29°F | 0.03" | 0" |
| 1996 | 38°F | 15°F | 0" | 0" |
| 1995 | 45°F | 19°F | 0" | 0" |
| 1994 | 63°F | 36°F | 0" | 0" |
| 1993 | 50°F | 21°F | 0" | 0" |
| 1992 | 46°F | 17°F | 0" | 0" |
| 1991 | 59°F | 24°F | 0" | 0" |
| 1990 | 30°F | 10°F | 0" | 0" |
| 1989 | 58°F | 24°F | 0" | 0" |
| 1988 | 45°F | 33°F | 1.45" | 0" |
| 1987 | 51°F | 27°F | 0" | 0" |
| 1986 | 56°F | 26°F | 0" | 0" |
| 1985 | 62°F | 40°F | 0" | 0" |
| 1984 | 45°F | 31°F | 0" | 0" |
| 1983 | 44°F | 30°F | 0" | 0" |
| 1982 | 59°F | 40°F | 0" | 0" |
| 1981 | 58°F | 44°F | 0.33" | 0" |
| 1980 | 65°F | 43°F | 0" | 0" |
| 1979 | 50°F | 36°F | 0.84" | 0" |
| 1978 | 46°F | 27°F | 0" | 0" |
| 1977 | 46°F | 32°F | 0" | 0" |
| 1976 | 54°F | 32°F | 0" | 0" |
| 1975 | 53°F | 37°F | 0.13" | 0" |
| 1974 | 49°F | 29°F | 0" | 0" |
| 1973 | 54°F | 36°F | 0" | 0" |
| 1972 | 55°F | 33°F | 0" | 0" |
| 1971 | 52°F | 31°F | 0" | 0" |