Weather on December 23 at Gateway Arch
Gateway Arch National Park
Based on 54 years of data from St. Louis, MO
Planning Your Visit
December 23rd in Gateway Arch National Park (via St. Louis, MO) typically brings chilly winter weather, with average highs around 45°F and lows near 26°F. Over 54 years of records, the warmest December 23rd was in 2023 (54°F average), while the coldest was 1989 (-2°F) — a 56°F range across recorded history. Precipitation has occurred on 30% of recorded December 23rd dates, with snow falling 6% of the time (heaviest snowfall: 4"). The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Gateway Arch? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 70°F | 34°F | 0" | 0" |
| 2024 | 54°F | 35°F | 0" | 0" |
| 2023 | 62°F | 46°F | 0" | -- |
| 2022 | 8°F | -5°F | 0" | 0" |
| 2021 | 62°F | 29°F | 0" | 0" |
| 2020 | 61°F | 26°F | 0.3" | 0" |
| 2019 | 57°F | 26°F | 0" | 0" |
| 2018 | 44°F | 27°F | 0" | 0" |
| 2017 | 42°F | 30°F | 1.8" | 1.8" |
| 2016 | 45°F | 35°F | 0.13" | 0" |
| 2015 | 60°F | 40°F | 2.74" | 0" |
| 2014 | 50°F | 41°F | 0.99" | 0" |
| 2013 | 34°F | 20°F | 0" | 0" |
| 2012 | 52°F | 32°F | 0" | -- |
| 2011 | 46°F | 33°F | 0" | -- |
| 2010 | 33°F | 22°F | 0" | 0" |
| 2009 | 45°F | 30°F | 1.42" | 0" |
| 2008 | 31°F | 4°F | 0" | 0" |
| 2007 | 56°F | 23°F | 0.56" | 0" |
| 2006 | 51°F | 41°F | 0" | 0" |
| 2005 | 54°F | 27°F | 0" | 0" |
| 2004 | 20°F | 9°F | 0" | 0" |
| 2003 | 55°F | 35°F | 2.26" | 0" |
| 2002 | 55°F | 30°F | 0" | 0" |
| 2001 | 53°F | 28°F | 0.05" | 0" |
| 2000 | 20°F | 4°F | 0" | 0" |
| 1999 | 40°F | 22°F | 0" | 0" |
| 1998 | 19°F | 9°F | 0" | 0" |
| 1997 | 41°F | 36°F | 0" | 0" |
| 1996 | 55°F | 39°F | 0" | 0" |
| 1995 | 29°F | 22°F | 0.05" | 0.4" |
| 1994 | 51°F | 33°F | 0" | 0" |
| 1993 | 31°F | 19°F | 0.05" | 0" |
| 1992 | 54°F | 30°F | 0" | 0" |
| 1991 | 47°F | 37°F | 1.27" | 0" |
| 1990 | 9°F | 1°F | 2.54" | 4" |
| 1989 | 8°F | -12°F | 0" | 0" |
| 1988 | 60°F | 31°F | 1.52" | 0" |
| 1987 | 53°F | 40°F | 0" | 0" |
| 1986 | 33°F | 25°F | 0" | 0" |
| 1985 | 50°F | 22°F | 0" | 0" |
| 1984 | 42°F | 33°F | 0.15" | 0" |
| 1982 | 61°F | 45°F | 0" | 0" |
| 1981 | 36°F | 22°F | 3" | -- |
| 1980 | 57°F | 31°F | 0" | 0" |
| 1979 | 62°F | 37°F | 0" | 0" |
| 1978 | 50°F | 20°F | 0" | 0" |
| 1977 | 46°F | 21°F | 0" | 0" |
| 1976 | 45°F | 22°F | 0" | 0" |
| 1975 | 43°F | 14°F | 0" | 0" |
| 1974 | 54°F | 34°F | 0" | 0" |
| 1973 | 36°F | -- | 0" | 0" |
| 1972 | 34°F | 28°F | 0" | 0" |
| 1971 | 51°F | 27°F | 0" | 0" |