December is a tough month at Glacier — it ranks 12th of the twelve here. Expect about 98% fewer visitors than July, the park's peak — 18,684 visits on average. Days run around 29°F by afternoon and 20°F at night, with 8.3 hours of daylight. The W Glacier station's normals show about 31 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 | 18,684 | −98% | 29°F | 20°F | 31.4" | 8.3 h |
| May (best) | Excellent | 202,281 | −73% | 64°F | 39°F | 0.5" | 15.2 h |
| July (peak crowds) | Good | 761,346 | peak | 80°F | 50°F | 0" | 15.7 h |
Weather figures are for the West Glacier area — the W Glacier 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 Glacier?
It is the tough season — doable with preparation, but the numbers say most people should pick another month. December ranks 12 of 12 at Glacier on crowds, weather, daylight, and access together.
How crowded is Glacier in December?
About 18,684 recreation visits on average — 98% below July, the park's peak.
How warm is Glacier in December?
Average highs around 29°F and lows around 20°F at the W Glacier station, with about 31 inches of snow across the month.
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