Weather on December 17 at Gateway Arch
Gateway Arch National Park
MOMidwest450 ft elevation
Avg High44°F
Avg Low25°F
Warmest200658°F
Coldest19898°F
Based on 54 years of data from St. Louis, MO
Planning Your Visit
December 17th in Gateway Arch National Park (via St. Louis, MO) typically brings chilly winter weather, with average highs around 44°F and lows near 25°F. Over 54 years of records, the warmest December 17th was in 2006 (58°F average), while the coldest was 1989 (8°F) — a 50°F range across recorded history. Precipitation has occurred on 19% of recorded December 17th dates, with snow falling 2% of the time. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for December 17th in Gateway Arch? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 57°F | 29°F | 0" | 0" |
| 2024 | 57°F | 31°F | 0.43" | 0" |
| 2023 | 44°F | 32°F | 0" | 0" |
| 2022 | 33°F | 26°F | 0" | 0" |
| 2021 | 38°F | 29°F | 1.17" | 0" |
| 2020 | 37°F | 21°F | 0" | 0" |
| 2019 | 33°F | 19°F | 0" | -- |
| 2018 | 52°F | 29°F | 0" | 0" |
| 2017 | 64°F | 35°F | 0" | 0" |
| 2016 | 39°F | -- | 0.03" | 0" |
| 2015 | 60°F | 31°F | 0" | 0" |
| 2014 | 38°F | 29°F | 0" | 0" |
| 2013 | 39°F | 26°F | 0" | 0" |
| 2012 | 56°F | 39°F | 0.05" | 0" |
| 2011 | 42°F | 24°F | 0" | -- |
| 2010 | 32°F | 21°F | 0" | 0" |
| 2009 | 38°F | 18°F | 0" | 0" |
| 2008 | 23°F | 15°F | 0.05" | -- |
| 2007 | 33°F | 11°F | 0" | 0" |
| 2006 | 67°F | 50°F | 0" | 0" |
| 2005 | 41°F | 18°F | 0" | 0" |
| 2004 | 49°F | 21°F | 0" | 0" |
| 2003 | 54°F | 24°F | 0" | 0" |
| 2002 | 48°F | 40°F | 0" | 0" |
| 2001 | 48°F | 46°F | 3.25" | 0" |
| 2000 | 37°F | 2°F | 0.25" | 1" |
| 1999 | 42°F | 31°F | 0" | 0" |
| 1998 | 44°F | 33°F | 0" | 0" |
| 1997 | 58°F | 26°F | 0" | 0" |
| 1996 | 38°F | 27°F | 0" | 0" |
| 1995 | 47°F | 35°F | 0" | 0" |
| 1994 | 58°F | 29°F | 0" | 0" |
| 1993 | 52°F | 41°F | 0.05" | 0" |
| 1992 | 44°F | 32°F | 0" | 0" |
| 1991 | 48°F | 37°F | 0" | 0" |
| 1990 | 46°F | 31°F | 1.55" | 0" |
| 1989 | 22°F | -5°F | 0" | 0" |
| 1988 | 40°F | 20°F | 0" | 0" |
| 1987 | 34°F | 15°F | 0" | 0" |
| 1986 | 50°F | 29°F | 0" | 0" |
| 1985 | 34°F | 1°F | 0" | 0" |
| 1984 | 52°F | 23°F | 0" | 0" |
| 1982 | 36°F | 28°F | 0" | 0" |
| 1981 | 32°F | 7°F | 0" | -- |
| 1980 | 49°F | 24°F | 0" | 0" |
| 1979 | 27°F | 6°F | 0" | 0" |
| 1978 | 49°F | 24°F | 0" | 0" |
| 1977 | 58°F | 43°F | 0.13" | 0" |
| 1976 | 47°F | 28°F | 0" | 0" |
| 1975 | 41°F | 19°F | 0" | 0" |
| 1974 | 38°F | 27°F | 0" | 0" |
| 1973 | 27°F | 15°F | 0" | 0" |
| 1972 | 31°F | 12°F | 0" | 0" |
| 1971 | 49°F | 29°F | 0" | 0" |
December 17 at Nearby Parks
Holiday Weather at Gateway Arch
Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations
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