Weather on May 6 at Gateway Arch
Gateway Arch National Park
Based on 54 years of data from St. Louis, MO
Planning Your Visit
May 6th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant spring weather, with average highs around 75°F and lows near 53°F. Over 54 years of records, the warmest May 6th was in 2012 (80°F average), while the coldest was 1978 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 41% of May 6th dates historically, with the wettest May 6th recording 1.24" of rain. The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
Planning for May 6th in Gateway Arch? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 63°F | 43°F | 0.1" | -- |
| 2025 | 72°F | 43°F | 0" | 0" |
| 2024 | 78°F | 63°F | 0.69" | 0" |
| 2023 | 83°F | 61°F | 0" | 0" |
| 2022 | 56°F | 53°F | 1.24" | 0" |
| 2021 | 70°F | 49°F | 0.05" | 0" |
| 2020 | 62°F | 44°F | 0.03" | 0" |
| 2019 | 78°F | 51°F | 0" | 0" |
| 2018 | 85°F | 57°F | 0" | 0" |
| 2017 | 68°F | 50°F | 0" | 0" |
| 2016 | 66°F | 46°F | 0" | 0" |
| 2015 | 83°F | 65°F | 0" | 0" |
| 2014 | 90°F | 60°F | 0" | 0" |
| 2013 | 62°F | 54°F | 0.18" | 0" |
| 2012 | 90°F | 70°F | 0" | -- |
| 2011 | 71°F | 48°F | 0.2" | 0" |
| 2010 | 83°F | 52°F | 0" | 0" |
| 2009 | 75°F | 58°F | 0.46" | 0" |
| 2008 | 78°F | 51°F | 0" | 0" |
| 2007 | 81°F | 64°F | 0" | 0" |
| 2006 | 66°F | 47°F | 0" | 0" |
| 2005 | 73°F | 46°F | 0" | 0" |
| 2004 | 80°F | 55°F | 0" | 0" |
| 2003 | 85°F | 59°F | 0" | 0" |
| 2002 | 81°F | 58°F | 1.04" | 0" |
| 2001 | 82°F | 63°F | 0.56" | 0" |
| 2000 | 81°F | 64°F | 0" | 0" |
| 1999 | 82°F | 52°F | 0.53" | 0" |
| 1998 | 79°F | 59°F | 0.18" | 0" |
| 1997 | 77°F | 49°F | 0.05" | 0" |
| 1996 | 60°F | 55°F | 0.05" | 0" |
| 1995 | 70°F | 47°F | 0" | 0" |
| 1994 | 76°F | 56°F | 0.71" | 0" |
| 1993 | 82°F | 62°F | 0" | 0" |
| 1992 | 64°F | 37°F | 0" | 0" |
| 1991 | 63°F | 44°F | 0" | 0" |
| 1990 | 73°F | 44°F | 0.08" | 0" |
| 1989 | 64°F | 32°F | 0" | 0" |
| 1988 | 80°F | 51°F | 0" | 0" |
| 1987 | 76°F | 50°F | 0" | 0" |
| 1986 | 85°F | 62°F | 0" | 0" |
| 1985 | 84°F | 59°F | 0" | 0" |
| 1984 | 70°F | 50°F | 0.33" | 0" |
| 1981 | 62°F | 39°F | 1.14" | 0" |
| 1980 | 84°F | 59°F | -- | -- |
| 1979 | 68°F | 48°F | 0" | 0" |
| 1978 | 54°F | 37°F | 0" | 0" |
| 1977 | 80°F | 54°F | 0.1" | 0" |
| 1976 | 82°F | 60°F | 0.08" | 0" |
| 1975 | 82°F | 59°F | 0" | 0" |
| 1974 | 74°F | 49°F | 0" | 0" |
| 1973 | 74°F | 54°F | 0.64" | 0" |
| 1972 | 84°F | 63°F | 0" | 0" |
| 1971 | 67°F | 48°F | 0.25" | 0" |