Weather information for the Great Sand Dunes NP area is provided below. Average temperatures, climate details and current forecasts are included.
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We also have the following visitor guides in Colorado. Click on any additional guides you would like to receive.
Chaffee County Central Colorado
Colorado Springs Central Colorado
Grand Lake Rocky Mountain National Park
Mesa Verde Country Southwest
Mesa Verde Country
Pagosa Springs Southwestern Colorado
Red River Northern New Mexico
Farmington Northwestern New Mexico
Delta County Western
Trinidad Southern Colorado
South Fork Southwestern Colorado
Palisade, Colorado Western
Visit Moffat County Northwestern Colorado
Visit Moffat County
Holiday River Expeditions Utah, Colorado and Idaho
Holiday River Expeditions
We also have visitor guides available in states highlighted in blue below. Click on any state to see what's available.
- New Mexico
In fall, winter, and spring, expect moderate daytime temperatures and freezing to sub-zero temperatures at night. Summer temperatures during the day average 70 to 80 degrees; lows may drop to 40 degrees. Sand temperatures can reach 140 degrees in summer; shoes are highly recommended for hiking the dunes.