Gulf Islands National Seashore visitation by month and year
June is the busiest month at Gulf Islands, when the average temperature nearby is 80 degrees. January is the quietest, and the average temperature then is 52 degrees. The gap between them is narrow, 807,638 against 368,863. The crowd arrives with the warm weather and leaves with it. Annual visits rose 35.3 percent from 5,600,240 in 2019 to 7,576,923 in 2025.
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Visits by month, with temperature and precipitation
Annual visits, 1979 to 2025
The last ten years
| Year | Recreation visits | Change on prior year |
|---|---|---|
| 2025 | 7,576,923 | -2.9% |
| 2024 | 7,801,176 | -5.8% |
| 2023 | 8,277,857 | +45.6% |
| 2022 | 5,685,155 | +4.1% |
| 2021 | 5,458,816 | +36.1% |
| 2020 | 4,012,129 | -28.4% |
| 2019 | 5,600,240 | +32.4% |
| 2018 | 4,229,968 | +7.0% |
| 2017 | 3,952,941 | -17.2% |
| 2016 | 4,771,309 | +20.0% |
Visitation at other parks
Source: NPS Visitor Use Statistics, monthly recreation visits, as compiled for Publicopia Labs. A year is shown only when all twelve months were reported. Temperature, precipitation and snowfall normals are the 1991 to 2020 monthly averages published by NOAA NCEI for station USW00003855, 28 feet above sea level. Data refreshed October 14, 2026.