Visitation · National Recreation Area

Boston Harbor Islands National Recreation Area visitation by month and year

July is the busiest month at Boston Harbor Islands, when the average temperature nearby is 74 degrees. January is the quietest, and the average temperature then is 30 degrees. The crowd arrives with the warm weather and leaves with it. The park recorded 4,276 recreation visits in 2025. A full 2019 count is not available, so no change figure is given.

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Visits by month, with temperature and precipitation

Bars are the average recreation visits in each month over 2021 to 2025. The line is the average temperature at Boston Logan Intl AP, 5 miles from the park's reference point at 12 feet, station USW00014739 in the NOAA 1991 to 2020 climate normals. The lower panel is monthly rain and snow from the same station, also 1991 to 2020 averages.

Annual visits, 2020 to 2025

Recreation visits per calendar year. A year with a missing month is left blank rather than estimated.

The last ten years

Year	Recreation visits	Change on prior year
2025	4,276	-84.8%
2024	28,157	+0.6%
2023	27,986	-4.3%
2022	29,241	+40.7%
2021	20,777	-71.1%
2020	71,991
2019	month missing
2018	month missing
2017	month missing
2016	month missing

Visitation at other parks

Appalachian National Scenic Trail Cape Cod National Seashore Golden Gate National Recreation Area Gateway National Recreation Area

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 USW00014739, 12 feet above sea level. Data refreshed October 14, 2026.