Weather on January 15 at Gateway Arch
Gateway Arch National Park
MOMidwest450 ft elevation
Avg High38°F
Avg Low20°F
Warmest199056°F
Coldest1979-5°F
Based on 53 years of data from St. Louis, MO
Planning Your Visit
January 15th in Gateway Arch National Park (via St. Louis, MO) typically brings cold winter weather, with average highs around 38°F and lows near 20°F. Over 53 years of records, the warmest January 15th was in 1990 (56°F average), while the coldest was 1979 (-5°F) — a 61°F range across recorded history. Precipitation has occurred on 17% of recorded January 15th dates, with snow falling 4% of the time. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for January 15th in Gateway Arch? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 33°F | 18°F | 0" | -- |
| 2025 | 31°F | 4°F | 0" | -- |
| 2024 | 10°F | -1°F | 0" | -- |
| 2023 | 52°F | 31°F | 0" | 0" |
| 2022 | 34°F | 22°F | 0.43" | -- |
| 2021 | 36°F | 32°F | 0.18" | -- |
| 2020 | 58°F | 34°F | 0" | 0" |
| 2019 | 35°F | 30°F | 0" | 0" |
| 2018 | 29°F | 18°F | 0.13" | 0.7" |
| 2017 | 38°F | 33°F | 0.38" | 0" |
| 2016 | 65°F | 46°F | 0.25" | 0" |
| 2015 | 46°F | 20°F | 0" | 0" |
| 2014 | 48°F | 22°F | 0" | 0" |
| 2013 | 28°F | 19°F | 0" | -- |
| 2012 | 40°F | 16°F | 0" | 0" |
| 2011 | 40°F | 22°F | 0" | 0" |
| 2010 | 51°F | 34°F | 0" | 0" |
| 2009 | 42°F | -3°F | 0" | 0" |
| 2008 | 35°F | 16°F | 0" | 0" |
| 2007 | 44°F | 34°F | 1.7" | 0" |
| 2006 | 44°F | 28°F | 0" | 0" |
| 2005 | 18°F | 10°F | 0" | 0" |
| 2004 | 56°F | 24°F | 0" | 0" |
| 2003 | 31°F | 17°F | 0" | 0" |
| 2002 | 46°F | 27°F | 0" | 0" |
| 2001 | 51°F | 29°F | 0" | 0" |
| 2000 | 41°F | 17°F | 0" | 0" |
| 1999 | 26°F | 19°F | 0" | 0" |
| 1998 | 35°F | 19°F | 1.27" | 0" |
| 1997 | 28°F | 10°F | 0.64" | 0.2" |
| 1996 | 63°F | 31°F | 0" | 0" |
| 1995 | 38°F | 29°F | 0" | 0" |
| 1994 | 9°F | -1°F | 0" | 0" |
| 1993 | 32°F | 26°F | 0" | 0" |
| 1992 | 29°F | 13°F | 0.05" | 0" |
| 1991 | 40°F | 31°F | 0" | 0" |
| 1990 | 67°F | 46°F | 0" | 0" |
| 1989 | 49°F | 23°F | 0" | 0" |
| 1988 | 32°F | 9°F | 0" | 0" |
| 1986 | 50°F | 25°F | 0" | 0" |
| 1983 | 45°F | 26°F | 0" | 0" |
| 1982 | 26°F | 6°F | 0" | 0" |
| 1981 | 40°F | -- | 0" | 0" |
| 1980 | 50°F | 30°F | 0" | 0" |
| 1979 | 1°F | -12°F | 0" | 0" |
| 1978 | 28°F | 14°F | 0" | 0" |
| 1977 | 30°F | 11°F | -- | 0" |
| 1976 | 37°F | 19°F | 0" | -- |
| 1975 | 29°F | 12°F | 0" | 0" |
| 1974 | 41°F | 22°F | -- | -- |
| 1973 | 50°F | 32°F | 0" | -- |
| 1972 | 20°F | -5°F | 0" | -- |
| 1971 | 32°F | 12°F | 0" | -- |
January 15 at Nearby Parks
Holiday Weather at Gateway Arch
Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations
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