Weather on November 21 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High47°F
Avg Low10°F
Warmest201648°F
Coldest19798°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

November 21st in Great Sand Dunes National Park (via Alamosa, CO) typically brings chilly fall weather, with average highs around 47°F and lows near 10°F — a 37°F daily swing. Over 55 years of records, the warmest November 21st was in 2016 (48°F average), while the coldest was 1979 (8°F) — a 40°F range across recorded history. Precipitation has occurred on 9% of recorded November 21st dates, with snow falling 5% of the time. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

Planning for November 21st in Great Sand Dunes? Bring layers as temperatures can vary throughout the day.

Year by Year History

YearHighLowPrecipSnow
202540°F31°F1.09"0"
202440°F7°F0"0"
202347°F11°F0"0"
202240°F-1°F0"0"
202155°F18°F0"0"
202062°F21°F0"0"
201955°F31°F0.03"0"
201848°F8°F0"0"
201749°F10°F0"0"
201659°F37°F0"0"
201554°F10°F0"0"
201444°F9°F0"0"
201351°F29°F0"0"
201257°F3°F0"0"
201151°F11°F0"--
201057°F17°F0"0"
200950°F7°F0"0"
200849°F12°F0"0"
200764°F17°F0"0"
200655°F6°F0"0"
200549°F4°F0"0"
200447°F19°F0"0"
200356°F21°F0"0"
200255°F7°F0"0"
200150°F-1°F0"0"
200042°F4°F0"0"
199950°F9°F0"0"
199849°F9°F0"0"
199733°F7°F0"0"
199658°F13°F0"0"
199551°F11°F0"0"
199432°F-7°F0"0"
199340°F3°F0"0"
199236°F10°F0"0"
199135°F7°F0"0"
199043°F17°F0"0"
198961°F15°F0"0"
198833°F-8°F0"0"
198751°F3°F0"0"
198654°F15°F0"0"
198534°F16°F0.03"0.1"
198446°F3°F0"0"
198337°F26°F0.15"0.6"
198248°F9°F0"0"
198151°F13°F0"0"
198043°F-5°F0"0"
197926°F-10°F0"0"
197847°F12°F0"0"
197746°F7°F0"0"
197652°F10°F0"0"
197526°F-8°F0.08"0.3"
197451°F4°F0"0"
197339°F9°F0"0"
197233°F-4°F0"0"
197135°F2°F0"0"

November 21 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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