Badlands National Park weather in December
December in Badlands National Park: freezing, dry, with clean air — a good time to visit.
#10 of 12 months in Badlands National Park · #343 of 604 destinations to visit in December · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Badlands National Park climate normals — December
| Daytime high | 4°C / 39°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -6°C / 21°F | |
| Feels like (high) | -1°C / 30°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 67% | 💧 humid |
| Dew point | -9°C / 15°F | |
| Sunshine | 6.5 h/day | |
| Daylight | 9 h | |
| Wind | 24 km/h / 15 mph | |
| Snowfall | 14.1 cm / 5.6 in | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Badlands National Park in December — FAQ
- Is December a good time to visit Badlands National Park?
- December in Badlands National Park: freezing, dry, with clean air — a good time to visit. It ranks #10 of 12 months for Badlands National Park on SeasonMap's comfort score (67/100).
- What is the weather like in Badlands National Park in December?
- In December, Badlands National Park averages a daily high of 3.7°C and a low of -6°C, with about 20.3 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Badlands National Park in December?
- Badlands National Park has a mean US Air Quality Index of about 29 in December.
- Does it snow in Badlands National Park in December?
- Badlands National Park sees roughly 14.1 cm of snowfall in December.