Great Sand Dunes National Park weather in January
January in Great Sand Dunes National Park: freezing, dry, with clean air — a good time to visit.
#12 of 12 months in Great Sand Dunes National Park · #401 of 604 destinations to visit in January · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Sand Dunes National Park climate normals — January
| Daytime high | 1°C / 33°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -12°C / 10°F | |
| Feels like (high) | -3°C / 27°F | |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 64% | 💧 humid |
| Dew point | -11°C / 11°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 9.9 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 16.8 cm / 6.6 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Great Sand Dunes National Park?
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Great Sand Dunes National Park in January — FAQ
- Is January a good time to visit Great Sand Dunes National Park?
- January in Great Sand Dunes National Park: freezing, dry, with clean air — a good time to visit. It ranks #12 of 12 months for Great Sand Dunes National Park on SeasonMap's comfort score (60/100).
- What is the weather like in Great Sand Dunes National Park in January?
- In January, Great Sand Dunes National Park averages a daily high of 0.7°C and a low of -12.2°C, with about 16.4 mm of rain over roughly 4 rainy days.
- What is the air quality in Great Sand Dunes National Park in January?
- Great Sand Dunes National Park has a mean US Air Quality Index of about 42 in January.
- Does it snow in Great Sand Dunes National Park in January?
- Great Sand Dunes National Park sees roughly 16.8 cm of snowfall in January.