Carlsbad Caverns National Park weather in December
December in Carlsbad Caverns National Park: cool, dry, with clean air — an excellent time to visit.
#6 of 12 months in Carlsbad Caverns National Park · #125 of 604 destinations to visit in December · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Carlsbad Caverns National Park climate normals — December
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 7 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 49% | 🍃 comfortable |
| Dew point | -4°C / 24°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 10.1 h | |
| Wind | 22 km/h / 13 mph | |
| Snowfall | 0.2 cm / 0.1 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Carlsbad Caverns National Park?
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Carlsbad Caverns National Park in December — FAQ
- Is December a good time to visit Carlsbad Caverns National Park?
- December in Carlsbad Caverns National Park: cool, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Carlsbad Caverns National Park on SeasonMap's comfort score (82/100).
- What is the weather like in Carlsbad Caverns National Park in December?
- In December, Carlsbad Caverns National Park averages a daily high of 15.5°C and a low of 2.9°C, with about 6.5 mm of rain over roughly 2 rainy days.
- What is the air quality in Carlsbad Caverns National Park in December?
- Carlsbad Caverns National Park has a mean US Air Quality Index of about 44 in December.