Weather on October 3 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High70°F
Avg Low31°F
Warmest201660°F
Coldest200239°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

October 3rd in Great Sand Dunes National Park (via Alamosa, CO) typically brings pleasant fall weather, with average highs around 70°F and lows near 31°F — a 39°F daily swing. Over 55 years of records, the warmest October 3rd was in 2016 (60°F average), while the coldest was 2002 (39°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 3rd dates historically, with the wettest October 3rd recording 1.4" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.

Planning for October 3rd in Great Sand Dunes? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202578°F32°F0"0"
202479°F31°F0"0"
202368°F30°F1.4"0"
202255°F43°F0.94"0"
202166°F32°F0"0"
202072°F29°F0"0"
201973°F24°F0"0"
201872°F46°F0.33"0"
201766°F34°F0"0"
201675°F44°F0"0"
201576°F41°F0"0"
201462°F28°F0"0"
201375°F30°F0"0"
201276°F24°F0"--
201174°F35°F0"--
201078°F34°F0"0"
200963°F18°F0"0"
200876°F30°F0"0"
200769°F25°F0"0"
200677°F33°F0"0"
200574°F38°F0"0"
200462°F26°F0"0"
200350°F44°F0.51"0"
200253°F24°F0"0"
200173°F31°F0"0"
200078°F33°F0"0"
199971°F26°F0"0"
199868°F30°F0"0"
199769°F39°F0.05"0"
199670°F39°F0"0"
199570°F26°F0"0"
199468°F27°F0"0"
199373°F28°F0"0"
199274°F24°F0"0"
199177°F28°F0"0"
199066°F32°F0"0"
198969°F40°F0"0"
198874°F34°F0"0"
198777°F27°F0"0"
198655°F28°F0"0"
198570°F22°F0"0"
198449°F35°F0.38"0"
198362°F20°F0"0"
198273°F23°F0"0"
198161°F36°F0.25"0"
198073°F26°F0"0"
197978°F35°F0"0"
197868°F22°F0"0"
197775°F37°F0"0"
197666°F36°F0"0"
197572°F27°F0"0"
197473°F25°F0.23"0"
197370°F27°F0"0"
197276°F30°F0"0"
197157°F23°F0"0"

October 3 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

See historical weather for other dates

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