Gateway Arch National Park: the best time to visit, by the numbers
Month-by-month crowds (official NPS counts) and weather (NOAA 1991–2020 normals)
Gateway Arch National Park draws about 1.8 million recreation visits in a typical year (2016–2025 median). July is the peak month (about 470,000 visits); January is the quietest (about 39,000) — a 12-to-1 spread between busiest and quietest.
Pick a month
| Month | Typical visits | Crowds | High / Low | Precip |
|---|---|---|---|---|
| January | 39,056 | quietest stretch | 41°F / 22°F | 2.7 in |
| February | 51,742 | quietest stretch | 46°F / 26°F | 2.3 in |
| March | 121,804 | quiet | 56°F / 35°F | 3.5 in |
| April | 109,703 | quiet | 68°F / 45°F | 4.6 in |
| May | 140,929 | quiet | 76°F / 56°F | 4.8 in |
| June | 209,875 | moderate | 85°F / 65°F | 4.3 in |
| July | 470,489 | busiest stretch | 88°F / 69°F | 5.0 in |
| August | 213,218 | moderate | 87°F / 67°F | 3.1 in |
| September | 124,285 | quiet | 80°F / 59°F | 3.4 in |
| October | 117,702 | quiet | 70°F / 46°F | 3.0 in |
| November | 89,065 | quiet | 56°F / 35°F | 3.3 in |
| December | 70,685 | quiet | 45°F / 27°F | 2.8 in |