How Crowded Is Tule Lake National Monument in December?

December runs about 0× Tule Lake National Monument's average month, which makes it a very quiet month here — roughly 0% of the park's yearly visitors come in December.

In a typical December the park sees about 10 recreation visits, based on National Park Service monthly counts from 2023 to 2025.

That makes December the 9th-busiest of the park's twelve months, sitting between the August peak (3.7×) and the January low (0×).

On our Best Time to Visit score December rates 42/100 ("Poor"), versus the top-rated September at 68/100 — best overall balance of crowds, weather and daylight.

Typical December weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 41°F and an overnight low around 20°F, with about 1.5" of precipitation and roughly 5" of snow.

That average of about 31°F is cold, with winter conditions likely on higher ground.

Because June, July and August together draw about 75% of annual visitors, choosing December instead steps outside that summer crush — the single biggest lever on how crowded the park feels.

You'll have about 9 hours of daylight in December to explore — near the year-round minimum.