Weather on May 1 at Gateway Arch
Gateway Arch National Park
Based on 53 years of data from St. Louis, MO
Planning Your Visit
May 1st in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant spring weather, with average highs around 72°F and lows near 51°F. Over 53 years of records, the warmest May 1st was in 2007 (77°F average), while the coldest was 1994 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 1st dates historically, with the wettest May 1st recording 4.39" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for May 1st in Gateway Arch? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 63°F | 0.13" | 0" |
| 2024 | 81°F | 62°F | 2.26" | 0" |
| 2023 | 64°F | 48°F | 0" | 0" |
| 2022 | 74°F | 49°F | 0" | 0" |
| 2021 | 85°F | 52°F | 0" | 0" |
| 2020 | 78°F | 42°F | 0" | 0" |
| 2019 | 74°F | 61°F | 0.56" | 0" |
| 2018 | 86°F | 66°F | 0" | 0" |
| 2017 | 58°F | 47°F | 0" | 0" |
| 2016 | 74°F | 52°F | 0" | 0" |
| 2015 | 69°F | 46°F | 0" | 0" |
| 2014 | 57°F | 42°F | 0" | 0" |
| 2013 | 87°F | 60°F | 0" | 0" |
| 2012 | 71°F | 59°F | 0.43" | -- |
| 2011 | 78°F | 58°F | 0" | 0" |
| 2010 | 74°F | 60°F | 2.67" | 0" |
| 2009 | 69°F | 57°F | 0.13" | 0" |
| 2008 | 79°F | 52°F | 0" | 0" |
| 2007 | 90°F | 64°F | 0" | 0" |
| 2006 | 71°F | 54°F | 0.41" | 0" |
| 2005 | 61°F | 35°F | 0" | 0" |
| 2004 | 75°F | 51°F | 4.39" | 0" |
| 2003 | 85°F | 66°F | 0.1" | 0" |
| 2002 | 76°F | 54°F | 0" | 0" |
| 2001 | 86°F | 63°F | 0" | 0" |
| 2000 | 79°F | 56°F | 0" | 0" |
| 1999 | 69°F | 45°F | 0" | 0" |
| 1998 | 63°F | 52°F | 0.05" | 0" |
| 1997 | 83°F | 42°F | 0.25" | 0" |
| 1996 | 67°F | 46°F | 0.56" | 0" |
| 1995 | 54°F | 44°F | 1.78" | 0" |
| 1994 | 51°F | 38°F | 0" | 0" |
| 1993 | 69°F | 59°F | 0.2" | 0" |
| 1992 | 86°F | 62°F | 0" | 0" |
| 1991 | 76°F | 45°F | 0.36" | 0" |
| 1990 | 66°F | 47°F | 0.25" | 0" |
| 1989 | 67°F | 37°F | 0" | 0" |
| 1988 | 79°F | 50°F | 0" | 0" |
| 1987 | 84°F | 52°F | 0" | 0" |
| 1986 | 77°F | 47°F | 0.38" | 0" |
| 1985 | 76°F | 50°F | 1.96" | 0" |
| 1984 | 72°F | 40°F | 0" | 0" |
| 1981 | 74°F | 50°F | 0" | 0" |
| 1980 | 70°F | 45°F | -- | -- |
| 1979 | 53°F | 43°F | 0.05" | 0" |
| 1978 | 63°F | 38°F | 0" | 0" |
| 1977 | 70°F | 45°F | 0" | 0" |
| 1976 | 63°F | 52°F | 0.05" | 0" |
| 1975 | 71°F | 48°F | 0.28" | 0" |
| 1974 | 68°F | 45°F | 0.2" | 0" |
| 1973 | 72°F | 63°F | 0.13" | 0" |
| 1972 | 76°F | 57°F | 1.93" | 0" |
| 1971 | 62°F | 36°F | 0" | 0" |