Missouri
National parks in Missouri
Missouri has 1 national park and 2 other busy National Park System sites in this guide. The best months below balance mild weather and crowds.
| Park | Best months | Busiest | July high / January low °F | Visitors a year |
|---|---|---|---|---|
| Gateway Arch National Park | Mar, Oct and Nov | Jul | 89° / 24° | 2,398,000 |
| Ozark National Scenic Riverways | Oct and Nov | Jul | 90° / 20° | 1,265,000 |
| Wilson's Creek National Battlefield | Oct and Nov | Aug | 88° / 23° | 348,000 |
Missouri parks by month
| Month | Visitors, all 3 sites | Sites with mild weather |
|---|---|---|
| January | 98,000 | none |
| February | 125,000 | none |
| March | 296,000 | Gateway Arch |
| April | 290,000 | none |
| May | 340,000 | none |
| June | 539,000 | none |
| July | 796,000 | none |
| August | 548,000 | none |
| September | 358,000 | none |
| October | 255,000 | Gateway Arch, Ozark National Scenic Riverways, Wilson's Creek National Battlefield |
| November | 202,000 | Gateway Arch, Ozark National Scenic Riverways, Wilson's Creek National Battlefield |
| December | 163,000 | none |
Weather 1991–2020 NOAA normals at each park's nearest station. Visitors National Park Service recreation visits, 2023–2025 average. Mild means an average high of 55–80°F without above-normal rain.