Visitation · National Historical Park

Adams National Historical Park visitation by month and year

August is the busiest month at Adams, when the average temperature nearby is 72 degrees. January is the quietest, and the average temperature then is 30 degrees. An average August draws 5,833 visits where an average January draws 355. The crowd arrives with the warm weather and leaves with it. Annual visits fell 74.0 percent, from 187,400 in 2019 to 48,726 in 2025.

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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 Hingham, 5 miles from the park's reference point at 35 feet, station USC00193624 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, 1979 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	48,726	+6.7%
2024	45,656	+81.0%
2023	25,229	+96.4%
2022	12,848	-37.9%
2021	20,679	+198.1%
2020	6,937	-96.3%
2019	187,400	+54.9%
2018	121,007	-52.7%
2017	255,562	+28.2%
2016	199,301	+8.5%

Visitation at other parks

Appalachian National Scenic Trail Cape Cod National Seashore Chesapeake & Ohio Canal National Historical Park San Francisco Maritime National Historical Park

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 USC00193624, 35 feet above sea level. Data refreshed October 14, 2026.