Great Sand Dunes National Park in July
In July, Great Sand Dunes National Park averages a high of 81°F and a low of 52°F, with 2.1 inches of precipitation (rain plus melted snow). About 84,000 people visit, the 2nd busiest of 12 (very busy). Days are 14 hours 32 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 81° / 52°F
- Precipitation
- 2.1in
- Snow
- 0in
- Daylight
- 14h 32m
- Visitors
- 84,000
- Crowds
- Very busy
Best months for weather and crowds instead: June (very busy) and October (moderate).
Weather 1991–2020 averages at Great Sand Dunes NP & Preserve, CO, 6 miles from the park's center, 8,183 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in July
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Black Canyon of the Gunnison National Park | 82° / 53° | Busy | Hot |
| Mesa Verde National Park | 86° / 59° | Very busy | Hot |
| Rocky Mountain National Park | 76° / 40° | Very busy | Mild, wet |
| Arches National Park | 99° / 70° | Very busy | Very hot |
| Canyonlands National Park | 95° / 63° | Busy | Very hot |
Closures, reservations and alerts: Great Sand Dunes National Park on nps.gov
All twelve months at Great Sand Dunes · National parks to visit in July