Great Sand Dunes National Park in March
In March, Great Sand Dunes National Park averages a high of 49°F and a low of 24°F, with 0.9 inches of precipitation (rain plus melted snow) and 8.5 inches of snowfall. About 18,000 people visit, the 8th busiest of 12 (quiet). Days are 11 hours 50 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 49° / 24°F
- Precipitation
- 0.9in
- Snow
- 8.5in
- Daylight
- 11h 50m
- Visitors
- 18,000
- Crowds
- Quiet
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 March
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Black Canyon of the Gunnison National Park | 49° / 23° | Quiet | Cool |
| Mesa Verde National Park | 51° / 30° | Quiet | Cool |
| Rocky Mountain National Park | 42° / 14° | Quiet | Cool |
| Arches National Park | 62° / 37° | Busy | Mild |
| Canyonlands National Park | 59° / 30° | Busy | Mild |
Closures, reservations and alerts: Great Sand Dunes National Park on nps.gov
All twelve months at Great Sand Dunes · National parks to visit in March