Weather on January 12 at Gateway Arch
Gateway Arch National Park
MOMidwest450 ft elevation
Avg High42°F
Avg Low23°F
Warmest201357°F
Coldest19773°F
Based on 53 years of data from St. Louis, MO
Planning Your Visit
January 12th 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 53 years of records, the warmest January 12th was in 2013 (57°F average), while the coldest was 1977 (3°F) — a 54°F range across recorded history. Precipitation has occurred on 17% of recorded January 12th dates, with snow falling 6% of the time. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for January 12th in Gateway Arch? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 59°F | 20°F | 0" | 0" |
| 2025 | 44°F | 30°F | 0" | 0" |
| 2024 | 50°F | 17°F | 2.29" | -- |
| 2023 | 52°F | 31°F | -- | -- |
| 2022 | 58°F | 30°F | 0" | 0" |
| 2021 | 53°F | 21°F | 0" | 0" |
| 2020 | 33°F | 26°F | 0" | 0" |
| 2019 | 34°F | 30°F | -- | -- |
| 2018 | 19°F | 14°F | 0" | -- |
| 2017 | 69°F | 33°F | 0.05" | 0" |
| 2016 | 42°F | 23°F | 0" | 0" |
| 2015 | 35°F | 17°F | 0.03" | 0" |
| 2014 | 50°F | 32°F | 0" | 0" |
| 2013 | 63°F | 52°F | 0" | 0" |
| 2012 | 54°F | 19°F | 0.28" | 0.7" |
| 2011 | 27°F | 11°F | 0" | 0" |
| 2010 | 34°F | 16°F | 0" | 0.5" |
| 2009 | 43°F | 21°F | 0" | 0" |
| 2008 | 45°F | 23°F | 0" | 0" |
| 2007 | 56°F | 44°F | 0" | 0" |
| 2006 | 57°F | 33°F | 0" | 0" |
| 2005 | 58°F | 42°F | 0.3" | 0" |
| 2004 | 64°F | 39°F | 0" | 0" |
| 2003 | 33°F | 17°F | 0" | 0" |
| 2002 | 50°F | 25°F | 0" | 0" |
| 2001 | 35°F | 28°F | 0.03" | 0" |
| 2000 | 48°F | 27°F | 0" | 0" |
| 1999 | 44°F | 20°F | 0" | 0" |
| 1998 | 30°F | 26°F | 0" | 0" |
| 1997 | 6°F | -1°F | 0" | 0" |
| 1996 | 43°F | 30°F | 0" | 0" |
| 1995 | 69°F | 40°F | 0" | 0" |
| 1994 | 40°F | 33°F | 0" | 0" |
| 1993 | 37°F | 27°F | 0.46" | 0" |
| 1992 | 48°F | 33°F | 0.25" | 0" |
| 1991 | 33°F | 25°F | 0" | 0" |
| 1990 | 44°F | 14°F | 0" | 0" |
| 1989 | 51°F | 19°F | 0" | 0" |
| 1988 | 51°F | 9°F | 0" | 0" |
| 1987 | 53°F | 22°F | 0" | 0" |
| 1986 | 54°F | 22°F | 0" | 0" |
| 1983 | 36°F | 18°F | 0" | 0" |
| 1981 | 18°F | 13°F | 0" | 0" |
| 1980 | -- | 19°F | 0" | 0" |
| 1979 | 19°F | 8°F | -- | -- |
| 1978 | 24°F | -- | 0.25" | 1" |
| 1977 | 14°F | -8°F | -- | 0" |
| 1976 | 39°F | 18°F | 0" | -- |
| 1975 | 34°F | 11°F | 0" | 0" |
| 1974 | 21°F | 4°F | -- | -- |
| 1973 | 25°F | 13°F | 0" | -- |
| 1972 | 51°F | 26°F | 0" | -- |
| 1971 | 38°F | 25°F | 0" | -- |
January 12 at Nearby Parks
Holiday Weather at Gateway Arch
Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations
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