Great Sand Dunes National Park Travel Information

Weather information for Great Sand Dunes National Park, Colorado is provided below. Weather information includes climate information with average temperatures and the current forecast.

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.