How Crowded Is Clara Barton in December?
December is a very quiet month at Clara Barton National Historic Site, running about 0.4× the park's average month — roughly 3% of the year's visitors come in December. That puts it between the June peak and the January low. Overall our best-time score rates December as "Fair" for a visit. Typical December weather averages a high near 47°F and a low around 30°F, with about 3.8" of precipitation. You'll get about 9.3 hours of daylight to explore.
Frequently Asked Questions
December is very quiet at Clara Barton National Historic Site (about 0.4× the average month). Our best-time score rates it "Fair". The single best month overall is October.
The busiest month is June and the quietest is January. December sits at about 0.4× the park's average, or 3% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.