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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Climate
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Avg. High | 34 | 39 | 46 | 55 | 65 | 76 | 80 | 78 | 71 | 60 | 45 | 36 | |
Avg. Low | 8 | 13 | 21 | 28 | 37 | 46 | 51 | 49 | 42 | 32 | 20 | 10 | |
Precipitation | 0.5 | 0.4 | 0.9 | 0.9 | 1.1 | 0.9 | 1.7 | 2.0 | 1.2 | 1.0 | 0.6 | 0.4 | |