How Crowded Is Big Thicket in December?
December is an average month at Big Thicket National Preserve, running about 1.0× the park's average month — roughly 9% of the year's visitors come in December. That puts it between the October peak and the February low. Overall our best-time score rates December as "Poor" for a visit. Typical December weather averages a high near 64°F and a low around 40°F, with about 5.4" of precipitation. You'll get about 10.0 hours of daylight to explore.
Frequently Asked Questions
December is average at Big Thicket National Preserve (about 1.0× the average month). Our best-time score rates it "Poor". The single best month overall is March.
The busiest month is October and the quietest is February. December sits at about 1.0× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (1981–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.