Delaware
National parks in Delaware
Delaware has no national park, but 1 other busy National Park System site in this guide. The best months below balance mild weather and crowds.
| Park | Best months | Busiest | July high / January low °F | Visitors a year |
|---|---|---|---|---|
| First State National Historical Park | Apr, May and Oct | Oct | 84° / 24° | 184,000 |
Delaware parks by month
| Month | Visitors, all 1 sites | Sites with mild weather |
|---|---|---|
| January | 4,000 | none |
| February | 4,100 | none |
| March | 9,800 | none |
| April | 11,000 | First State National Historical Park |
| May | 18,000 | First State National Historical Park |
| June | 23,000 | none |
| July | 27,000 | none |
| August | 18,000 | none |
| September | 14,000 | none |
| October | 36,000 | First State National Historical Park |
| November | 11,000 | none |
| December | 7,000 | 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.