December is a good month at Carlsbad Caverns — it ranks 6th of the twelve here. Expect about 37% fewer visitors than July, the park's peak — 32,095 visits on average. Days run around 57°F by afternoon and 35°F at night, with 10 hours of daylight.
December against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| December (this page) | Good | 32,095 | −37% | 57°F | 35°F | 2" | 10 h |
| February (best) | Excellent | 19,778 | −61% | 61°F | 37°F | 0.9" | 11 h |
| July (peak crowds) | Tough | 51,173 | peak | 91°F | 68°F | 0" | 14.1 h |
Weather figures are for the visitor center area — the Carlsbad Caverns 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 Carlsbad Caverns?
Yes — a solid month, if not the very best. December ranks 6 of 12 at Carlsbad Caverns on crowds, weather, daylight, and access together.
How crowded is Carlsbad Caverns in December?
About 32,095 recreation visits on average — 37% below July, the park's peak.
How warm is Carlsbad Caverns in December?
Average highs around 57°F and lows around 35°F at the Carlsbad Caverns station, with about 2 inches of snow across the month.
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