Weather on February 9 at Gateway Arch
Gateway Arch National Park
Based on 52 years of data from St. Louis, MO
Planning Your Visit
February 9th in Gateway Arch National Park (via St. Louis, MO) typically brings chilly winter weather, with average highs around 41°F and lows near 22°F. Over 52 years of records, the warmest February 9th was in 2001 (63°F average), while the coldest was 1979 (2°F) — a 61°F range across recorded history. Precipitation has occurred on 21% of recorded February 9th dates, with snow falling 12% of the time (heaviest snowfall: 3.4"). The last decade has been 5.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.2°F cooler on this date compared to 20-30 years ago.
Planning for February 9th in Gateway Arch? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 58°F | 20°F | 0" | -- |
| 2025 | 34°F | 27°F | 0" | 0" |
| 2024 | 67°F | 47°F | 0" | 0" |
| 2023 | 55°F | 39°F | 0.99" | 0" |
| 2022 | 53°F | 29°F | 0" | 0" |
| 2021 | 20°F | 14°F | 0" | -- |
| 2020 | 57°F | 29°F | 1.78" | 0" |
| 2019 | 32°F | 13°F | 0" | 0" |
| 2018 | 54°F | 42°F | 0" | 0" |
| 2017 | 35°F | 17°F | 0" | 0" |
| 2016 | 29°F | 18°F | 0.08" | 0.5" |
| 2015 | 68°F | 31°F | 0" | 0" |
| 2014 | 28°F | 19°F | 0" | 0" |
| 2013 | 42°F | 29°F | 0" | 0" |
| 2012 | 36°F | 27°F | 0" | 0" |
| 2011 | 19°F | 11°F | 0" | 0" |
| 2010 | 33°F | 12°F | 0.51" | 3" |
| 2009 | 46°F | 35°F | 0" | 0" |
| 2008 | 47°F | 27°F | 0" | 0" |
| 2007 | 29°F | 17°F | 0" | 0" |
| 2006 | 36°F | 14°F | 0.13" | 1" |
| 2005 | 35°F | 31°F | 0.56" | 0" |
| 2004 | 36°F | 29°F | 0" | 0" |
| 2003 | 43°F | 25°F | 0" | 0" |
| 2002 | 64°F | 33°F | 0" | 0" |
| 2001 | 71°F | 56°F | 0.25" | 0" |
| 2000 | 47°F | 27°F | 0" | 0" |
| 1999 | 62°F | 43°F | 0" | 0" |
| 1998 | 49°F | 23°F | 0" | 0" |
| 1997 | 34°F | 28°F | 0" | 0" |
| 1996 | 61°F | 28°F | 0" | 0" |
| 1995 | 44°F | 19°F | 0" | 0" |
| 1994 | 23°F | 16°F | 0.13" | 0.5" |
| 1993 | 57°F | 34°F | 0" | 0" |
| 1992 | 36°F | 14°F | 0" | 0" |
| 1991 | 62°F | 29°F | 0" | 0" |
| 1990 | 60°F | 25°F | 0.3" | 0" |
| 1989 | 30°F | 15°F | 0" | 0" |
| 1988 | 38°F | 17°F | 0" | 0" |
| 1987 | 40°F | 22°F | 0" | 0" |
| 1986 | 30°F | 14°F | 0" | 0" |
| 1983 | 40°F | 18°F | 0" | 0" |
| 1980 | 29°F | 22°F | -- | 1" |
| 1979 | 13°F | -10°F | 0.36" | 3.4" |
| 1978 | 22°F | 7°F | 0" | 0" |
| 1977 | 35°F | 9°F | 0" | 0" |
| 1976 | 49°F | -- | 0.05" | 0" |
| 1975 | 32°F | 3°F | 0" | 0" |
| 1974 | 32°F | 20°F | 0" | 0" |
| 1973 | 34°F | 10°F | 0" | -- |
| 1972 | 22°F | 15°F | 0" | -- |
| 1971 | 22°F | 3°F | 0" | 0" |