December is a tough month at Yellowstone — it ranks 12th of the twelve here. Expect about 96% fewer visitors than July, the park's peak — 33,648 visits on average. Days run around 27°F by afternoon and 1°F at night, with 8.8 hours of daylight. The Old Faithful station's normals show about 45 inches of snow for the month — check road status before you commit.
December against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| December (this page) | Tough | 33,648 | −96% | 27°F | 1°F | 45" | 8.8 h |
| May (best) | Excellent | 508,111 | −45% | 55°F | 29°F | 5.4" | 14.8 h |
| July (peak crowds) | Good | 922,896 | peak | 76°F | 39°F | 0" | 15.2 h |
Weather figures are for the Old Faithful area (7,300 ft) — the Old Faithful station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is December a good time to visit Yellowstone?
It is the tough season — doable with preparation, but the numbers say most people should pick another month. December ranks 12 of 12 at Yellowstone on crowds, weather, daylight, and access together.
How crowded is Yellowstone in December?
About 33,648 recreation visits on average — 96% below July, the park's peak.
How warm is Yellowstone in December?
Average highs around 27°F and lows around 1°F at the Old Faithful station, with about 45 inches of snow across the month.
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