Weather on January 23 at Gateway Arch
Gateway Arch National Park
Based on 55 years of data from St. Louis, MO
Planning Your Visit
January 23rd in Gateway Arch National Park (via St. Louis, MO) typically brings chilly winter weather, with average highs around 42°F and lows near 23°F. Over 55 years of records, the warmest January 23rd was in 1989 (51°F average), while the coldest was 2003 (9°F) — a 42°F range across recorded history. Precipitation has occurred on 31% of recorded January 23rd dates, with snow falling 13% of the time (heaviest snowfall: 1.3"). The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for January 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 |
|---|---|---|---|---|
| 2026 | 27°F | 4°F | 0" | -- |
| 2025 | 35°F | 17°F | 0" | 0" |
| 2024 | 48°F | 36°F | 1.9" | 0" |
| 2023 | 47°F | 29°F | 0" | 0" |
| 2022 | 43°F | 22°F | 0" | 0" |
| 2021 | 40°F | 17°F | 0" | -- |
| 2020 | 35°F | 32°F | 1.32" | -- |
| 2019 | 47°F | 23°F | 1.4" | -- |
| 2018 | 53°F | 34°F | 0" | 0" |
| 2017 | 53°F | 38°F | 0" | 0" |
| 2016 | 30°F | 24°F | 0.05" | 0.9" |
| 2015 | 39°F | 33°F | 0" | 0" |
| 2014 | 30°F | 1°F | 0" | 0" |
| 2013 | 24°F | 15°F | 0.08" | -- |
| 2012 | 55°F | 32°F | 0.36" | -- |
| 2011 | 35°F | 18°F | 0" | 0" |
| 2010 | 42°F | 34°F | 0.03" | 0" |
| 2009 | 59°F | 25°F | 0" | 0" |
| 2008 | 30°F | 8°F | 0" | 0" |
| 2007 | 38°F | 28°F | 0" | 0" |
| 2006 | 42°F | 29°F | 0" | 0" |
| 2005 | 28°F | 15°F | 0" | 0" |
| 2004 | 30°F | 17°F | 0" | 0" |
| 2003 | 17°F | 1°F | 0.05" | -- |
| 2002 | 57°F | 29°F | 0" | 0" |
| 2001 | 45°F | 20°F | 0" | 0" |
| 2000 | 38°F | 24°F | 0.05" | 0.2" |
| 1999 | 58°F | 36°F | 0.97" | 0.8" |
| 1998 | 34°F | 31°F | 0.25" | 1.3" |
| 1997 | 55°F | 24°F | 0" | 0" |
| 1996 | 50°F | 33°F | 1.78" | 0" |
| 1995 | 34°F | 16°F | 0.08" | 0.3" |
| 1994 | 43°F | 29°F | 0" | 0" |
| 1993 | 60°F | 33°F | 0" | 0" |
| 1992 | 42°F | 35°F | 0" | 0" |
| 1991 | 46°F | 16°F | 0" | 0" |
| 1990 | 69°F | 27°F | 0.03" | 0" |
| 1989 | 62°F | 40°F | 0" | 0" |
| 1988 | 45°F | 16°F | 0" | 0" |
| 1987 | 22°F | 0°F | 0.18" | 1" |
| 1986 | 46°F | 30°F | 0" | 0" |
| 1985 | 41°F | 24°F | 0" | 0" |
| 1983 | 35°F | 32°F | 0.56" | 1" |
| 1982 | 51°F | 11°F | 0" | 0" |
| 1981 | 52°F | 22°F | 0" | 0" |
| 1980 | 40°F | 19°F | 0" | 0" |
| 1979 | 34°F | 27°F | 0.33" | 0" |
| 1978 | 28°F | 2°F | 0" | 0" |
| 1977 | 28°F | 12°F | -- | 0" |
| 1976 | 49°F | 25°F | 0" | -- |
| 1975 | 30°F | 16°F | 0" | 0" |
| 1974 | 54°F | 31°F | -- | -- |
| 1973 | 39°F | 31°F | 0" | -- |
| 1972 | 48°F | 30°F | 0" | -- |
| 1971 | 39°F | 15°F | 0" | -- |