US splash pad season timeline
Every state's open/close window on one chart, ranked by earliest opener. Road-trip the country by chasing the weather.
Earliest opener
Arizona
Mar 1
Latest closer
Arizona
Oct 31
Longest season
Arizona
245 days
Shortest season
Alaska
71 days
Florida
year-round
Hawaii
year-round
Arizona
245d
Nevada
214d
California
183d
Texas
199d
Louisiana
153d
New Mexico
153d
Utah
153d
South Carolina
133d
Georgia
123d
Kansas
116d
Mississippi
123d
North Carolina
123d
Oklahoma
116d
Tennessee
123d
Alabama
106d
Arkansas
106d
Colorado
106d
Connecticut
106d
Delaware
106d
Idaho
106d
Illinois
106d
Indiana
106d
Iowa
106d
Kentucky
106d
Maryland
106d
Michigan
106d
Minnesota
106d
Missouri
106d
Nebraska
106d
New Jersey
106d
New York
106d
North Dakota
106d
Ohio
106d
Pennsylvania
106d
South Dakota
106d
Virginia
106d
West Virginia
106d
Wisconsin
106d
Rhode Island
89d
Alaska
71d
Maine
84d
Montana
84d
Oregon
92d
Vermont
84d
Washington
92d
Wyoming
84d
By region
Faster scroll, regional comparisons. Each link opens a filtered timeline.
How to use this
- Hover or tap a state's bar — see exact open/close labels.
- Click a state name to read closure triggers, mid-season notes, and best months.
- Stack a road trip by chasing the wave — open dates run southwest → northeast across spring.