Wisconsin
National parks in Wisconsin
Wisconsin has no national park, but 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 |
|---|---|---|---|---|
| Saint Croix National Scenic Riverway | May, Sep and Oct | Jul | 80° / 1° | 853,000 |
| Apostle Islands National Lakeshore | May, Jun and Sep | Jul | 77° / 7° | 254,000 |
Wisconsin parks by month
| Month | Visitors, all 2 sites | Sites with mild weather |
|---|---|---|
| January | 3,700 | none |
| February | 8,000 | none |
| March | 8,800 | none |
| April | 31,000 | none |
| May | 125,000 | none |
| June | 208,000 | none |
| July | 274,000 | none |
| August | 226,000 | none |
| September | 136,000 | none |
| October | 78,000 | none |
| November | 5,800 | none |
| December | 3,500 | 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.