Visitation · National Historical Park

Weir Farm National Historical Park visitation by month and year

August is the busiest month at Weir Farm, when the average temperature nearby is 70 degrees. December is the quietest, and the average temperature then is 32 degrees. August runs about 4.4 times the visits of December. The crowd arrives with the warm weather and leaves with it. Annual visits fell 21.6 percent, from 38,700 in 2019 to 30,339 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 Danbury Muni AP, 8 miles from the park's reference point at 457 feet, station USW00054734 in the NOAA 1991 to 2020 climate normals. The lower panel is monthly rain from the same station, which publishes no snowfall normal.

Annual visits, 1993 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	30,339	-11.4%
2024	34,246	-5.7%
2023	36,313	-4.4%
2022	37,977	+20.5%
2021	31,512	+23.9%
2020	25,430	-34.3%
2019	38,700	+9.4%
2018	35,382	-7.1%
2017	38,096	-2.5%
2016	39,079	-17.2%

Visitation at other parks

Appalachian National Scenic Trail Chesapeake & Ohio Canal National Historical Park San Francisco Maritime National Historical Park Boston 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 USW00054734, 457 feet above sea level. Data refreshed October 14, 2026.