Weather on October 29 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High56°F
Avg Low20°F
Warmest202451°F
Coldest199318°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 29th in Great Sand Dunes National Park (via Alamosa, CO) typically brings cool fall weather, with average highs around 56°F and lows near 20°F — a 36°F daily swing. Over 55 years of records, the warmest October 29th was in 2024 (51°F average), while the coldest was 1993 (18°F) — a 33°F range across recorded history. Precipitation has occurred on 20% of recorded October 29th dates, with snow falling 7% of the time. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

Planning for October 29th in Great Sand Dunes? Bring layers as temperatures can vary throughout the day.

Year by Year History

YearHighLowPrecipSnow
202558°F13°F0"0"
202469°F33°F0"0"
202360°F26°F0"0"
202254°F13°F0"0"
202162°F18°F0"0"
202052°F20°F0"0"
201941°F16°F0.05"0"
201868°F26°F0"0"
201761°F21°F0"0"
201669°F30°F0"0"
201552°F22°F0"0"
201461°F18°F0"0"
201360°F27°F0"0"
201261°F19°F0"--
201154°F11°F0"--
201052°F2°F0"0"
200937°F17°F0.15"0.8"
200868°F18°F0"0"
200768°F21°F0"0"
200661°F17°F0"0"
200559°F28°F0.03"0"
200449°F19°F0"0"
200372°F21°F0"0"
200245°F21°F0.08"0"
200166°F24°F0"0"
200052°F27°F0"0"
199949°F17°F0.05"0"
199853°F23°F0"0"
199754°F19°F0"0"
199637°F16°F0"0"
199561°F20°F0"0"
199466°F20°F0"0"
199332°F4°F0.1"1"
199253°F28°F0"0"
199142°F11°F0"0"
199066°F22°F0"0"
198943°F7°F0"0"
198861°F20°F0"0"
198764°F23°F0.1"0"
198664°F24°F0"0"
198557°F25°F0"0"
198461°F22°F0"0"
198362°F18°F0"0"
198246°F8°F0"0"
198160°F26°F0"0"
198047°F11°F0"0"
197953°F22°F0.03"0.1"
197867°F16°F0"0"
197757°F22°F0"0"
197643°F14°F0"0"
197561°F12°F0"0"
197451°F32°F0.1"0.2"
197364°F18°F0"0"
197252°F25°F0.05"0"
197152°F23°F0.76"0"

October 29 at Nearby Parks

Holiday Weather at Great Sand Dunes

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

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