Weather on May 9 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High66°F
Avg Low31°F
Warmest202260°F
Coldest197936°F

Based on 55 years of data from Alamosa, CO

Elevation Note: Great Sand Dunes sits at 8,200 ft. Expect temperatures 29°F cooler than the data shown below, which comes from Alamosa, CO at a lower elevation.

Planning Your Visit

May 9th in Great Sand Dunes National Park (via Alamosa, CO) typically brings mild spring weather, with average highs around 66°F and lows near 31°F — a 35°F daily swing. Over 55 years of records, the warmest May 9th was in 2022 (60°F average), while the coldest was 1979 (36°F) — a 24°F range across recorded history. Precipitation has occurred on 13% of recorded May 9th dates, with snow falling 4% of the time (heaviest snowfall: 3.8"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for May 9th in Great Sand Dunes? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202561°F29°F0.08"0"
202458°F27°F0"0"
202372°F28°F0"0"
202273°F46°F0"0"
202170°F29°F0"0"
202071°F29°F0"0"
201961°F27°F1.14"3.8"
201883°F35°F0"0"
201773°F42°F0.66"0"
201655°F37°F0"0"
201566°F36°F0"0"
201455°F24°F0"0"
201357°F20°F0"0"
201259°F31°F0"--
201172°F39°F0"--
2010--36°F0"0"
200978°F34°F0"0"
200861°F22°F0"0"
200764°F30°F0"0"
200658°F29°F0"0"
200571°F29°F0"0"
200477°F31°F0"0"
200366°F34°F0"0"
200269°F21°F0"0"
200174°F36°F0"0"
200072°F29°F0"0"
199969°F36°F0"0"
199868°F25°F0"0"
199753°F33°F0.36"0"
199675°F32°F0"0"
199563°F29°F0"0"
199457°F37°F1.8"0"
199357°F31°F--0.5"
199267°F33°F0.03"0"
199176°F42°F0"0"
199062°F28°F0"0"
198976°F35°F0"0"
198866°F22°F0"0"
198771°F35°F0"0"
198655°F26°F0"0"
198572°F33°F0"0"
198476°F25°F0"0"
198371°F38°F0"0"
198265°F33°F0"0"
198155°F29°F0"0"
198062°F34°F0"0"
197945°F28°F0.03"0"
197864°F22°F0"0"
197777°F33°F0"0"
197662°F29°F0"0"
197566°F22°F0"0"
197477°F35°F0"0"
197371°F34°F0"0"
197271°F27°F0"0"
197155°F26°F0"0"

May 9 at Nearby Parks

Holiday Weather at Great Sand Dunes

Official NPS WebsiteVisit nps.gov/grsa for park information, alerts, and reservations

Explore More at Great Sand Dunes

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