Great Basin National Park weather in December
December in Great Basin National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit.
#10 of 12 months in Great Basin National Park · #495 of 604 destinations to visit in December · comfort 49/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Basin National Park climate normals — December
| Daytime high | -4°C / 25°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -12°C / 10°F | |
| Feels like (high) | -8°C / 18°F | |
| Rainfall | 41 mm / 1.6 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 61% | 💧 humid |
| Dew point | -15°C / 5°F | |
| Sunshine | 7.4 h/day | |
| Daylight | 9.5 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 45.8 cm / 18 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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Great Basin National Park in December — FAQ
- Is December a good time to visit Great Basin National Park?
- December in Great Basin National Park: freezing, a little rain, with clean air — a hit-or-miss time to visit. It ranks #10 of 12 months for Great Basin National Park on SeasonMap's comfort score (49/100).
- What is the weather like in Great Basin National Park in December?
- In December, Great Basin National Park averages a daily high of -3.8°C and a low of -12.2°C, with about 40.5 mm of rain over roughly 7.4 rainy days.
- What is the air quality in Great Basin National Park in December?
- Great Basin National Park has a mean US Air Quality Index of about 36 in December.
- Does it snow in Great Basin National Park in December?
- Great Basin National Park sees roughly 45.8 cm of snowfall in December.