Updated July 2026
Best Time to Visit Missouri National Parks
Missouri has 7 National Park Service units that report visitation. Below, each is ranked by annual visits, with the month our data recommends for the best balance of light crowds, comfortable weather and daylight. Crowds peak in summer almost everywhere — the recommended months show where the quieter shoulder seasons fall.
Most-visited parks in Missouri
Gateway Arch
Missouri
View Gateway Arch →Ozark
Missouri
View Ozark →Wilson's Creek
Missouri
View Wilson's Creek →Ulysses S Grant
Missouri
View Ulysses S Grant →
George Washington Carver
Missouri
View George Washington Carver →
Harry S Truman
Missouri
View Harry S Truman →| Park | Annual visits | Best time | Busiest | Quietest |
|---|---|---|---|---|
| Gateway ArchNational Park | 2,209,028 | October | Jul | Jan |
| OzarkNational Scenic Riverways | 1,116,835 | October | Jul | Jan |
| Wilson's CreekNational Battlefield | 370,558 | January | Aug | Jan |
| Ulysses S GrantNational Historic Site | 44,732 | January | Jul | Jan |
| George Washington CarverNational Monument | 39,081 | August | Apr | Jan |
| Harry S TrumanNational Historic Site | 19,296 | January | Jul | Jan |
| Ste. GenevièveNational Historical Park | 16,525 | October | Aug | Jan |
Missouri park crowd calendar (7 parks, all 12 months)
Download the full best-months table for all 7 of Missouri's national parks — each park's month-by-month crowd index (1.0 = its average month), busiest and quietest months, and Best-Time-to-Visit score. Built from NPS visitation data. Enter your email to download; you'll also get park crowd updates — no spam, unsubscribe anytime.
Where to stay near Missouri's national parks
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Top-rated places to stay near Missouri national parks
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