Denali National Park weather in December
December in Denali National Park: freezing, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Denali National Park · #586 of 604 destinations to visit in December · comfort 27/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Denali National Park climate normals — December
| Daytime high | -13°C / 8°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -19°C / -2°F | |
| Feels like (high) | -18°C / 0°F | |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 72% | 💧 humid |
| Dew point | -21°C / -6°F | |
| Sunshine | 1.4 h/day | |
| Daylight | 4.7 h | |
| Wind | 14 km/h / 8 mph | |
| Snowfall | 63.5 cm / 25 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Denali National Park in December — FAQ
- Is December a good time to visit Denali National Park?
- December in Denali National Park: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Denali National Park on SeasonMap's comfort score (27/100).
- What is the weather like in Denali National Park in December?
- In December, Denali National Park averages a daily high of -13.4°C and a low of -19°C, with about 46.2 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Denali National Park in December?
- Denali National Park has a mean US Air Quality Index of about 36 in December.
- Does it snow in Denali National Park in December?
- Denali National Park sees roughly 63.5 cm of snowfall in December.