Weather on January 31 at Gateway Arch
Gateway Arch National Park
MOMidwest450 ft elevation
Avg High41°F
Avg Low23°F
Warmest201659°F
Coldest19776°F
Based on 52 years of data from St. Louis, MO
Planning Your Visit
January 31st in Gateway Arch National Park (via St. Louis, MO) typically brings chilly winter weather, with average highs around 41°F and lows near 23°F. Over 52 years of records, the warmest January 31st was in 2016 (59°F average), while the coldest was 1977 (6°F) — a 53°F range across recorded history. Precipitation has occurred on 19% of recorded January 31st dates, with snow falling 2% of the time. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for January 31st in Gateway Arch? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 20°F | 4°F | 0" | -- |
| 2025 | 54°F | 38°F | 0.13" | 0" |
| 2024 | 53°F | 37°F | 0" | -- |
| 2023 | 22°F | 12°F | 0" | 0" |
| 2022 | 51°F | 23°F | 0" | -- |
| 2021 | 47°F | 33°F | 0.03" | -- |
| 2020 | 43°F | 34°F | 0" | 0" |
| 2019 | 27°F | 2°F | 0" | -- |
| 2018 | 60°F | 39°F | 0" | 0" |
| 2017 | 53°F | 33°F | 0" | 0" |
| 2016 | 65°F | 53°F | 0" | 0" |
| 2015 | 40°F | 30°F | 0" | 0" |
| 2014 | 45°F | 28°F | 0" | 0" |
| 2013 | 45°F | 26°F | 0" | 0" |
| 2012 | 65°F | 40°F | 0" | -- |
| 2011 | 43°F | 29°F | 0" | 0" |
| 2010 | 32°F | 13°F | 0" | 0" |
| 2009 | 37°F | 11°F | 0" | 0" |
| 2008 | 32°F | 11°F | 0" | 0" |
| 2007 | 28°F | 6°F | 0" | 0" |
| 2006 | 44°F | 25°F | 0" | 0" |
| 2005 | 41°F | 25°F | 0" | 0" |
| 2004 | 22°F | 3°F | 0" | -- |
| 2003 | 43°F | 26°F | 0.2" | 0" |
| 2002 | 40°F | 35°F | 3.25" | 0" |
| 2001 | 43°F | 35°F | 0.15" | 0" |
| 2000 | 28°F | 15°F | 0" | 0" |
| 1999 | 46°F | 34°F | 5.05" | 0" |
| 1998 | 52°F | 25°F | 0" | 0" |
| 1997 | 47°F | 23°F | 0" | 0" |
| 1996 | 14°F | 1°F | 0" | 0" |
| 1995 | 57°F | 26°F | 0" | 0" |
| 1994 | 24°F | 7°F | 0.05" | 0" |
| 1993 | 63°F | 28°F | 0" | 0" |
| 1992 | 58°F | 30°F | 0" | 0" |
| 1991 | 25°F | 17°F | 0" | 0" |
| 1990 | 62°F | 48°F | 0" | 0" |
| 1989 | 75°F | 37°F | 0" | 0" |
| 1988 | 58°F | 32°F | 3.81" | 0" |
| 1983 | 44°F | 29°F | 0" | 0" |
| 1982 | 47°F | 32°F | 0" | 0" |
| 1981 | 32°F | 22°F | 0" | 0" |
| 1980 | 21°F | 10°F | -- | -- |
| 1979 | 27°F | 4°F | 0.25" | 1" |
| 1978 | 25°F | 4°F | 0" | 0" |
| 1977 | 15°F | -4°F | -- | 0" |
| 1976 | 47°F | 29°F | 0" | -- |
| 1975 | 36°F | 31°F | 3.76" | 0" |
| 1974 | 60°F | 35°F | 0" | -- |
| 1973 | 40°F | 27°F | 0" | -- |
| 1972 | 31°F | 15°F | 0" | -- |
| 1971 | 25°F | 12°F | 0" | -- |
January 31 at Nearby Parks
Holiday Weather at Gateway Arch
Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations
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