Weather on March 31 at Grand Canyon

Grand Canyon National Park

AZSouthwest7,000 ft elevation
Avg High55°F
Avg Low24°F
Warmest202652°F
Coldest198023°F

Based on 56 years of data from Flagstaff, AZ

Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.

Planning Your Visit

March 31st in Grand Canyon National Park (via Flagstaff, AZ) typically brings cool spring weather, with average highs around 55°F and lows near 24°F — a 31°F daily swing. Over 56 years of records, the warmest March 31st was in 2026 (52°F average), while the coldest was 1980 (23°F) — a 29°F range across recorded history. Precipitation has occurred on 23% of recorded March 31st dates, with snow falling 9% of the time (heaviest snowfall: 7.1"). The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.

Planning for March 31st in Grand Canyon? Bring layers as temperatures can vary throughout the day.

Year by Year History

YearHighLowPrecipSnow
202661°F43°F0.05"0"
202559°F29°F0"0"
202440°F29°F1.75"7.1"
202347°F11°F0"0"
202253°F29°F0"0"
202153°F23°F0"0"
202064°F24°F0"0"
201953°F24°F0"0"
201869°F28°F0"0"
201734°F22°F0.69"3.2"
201647°F15°F0"0"
201568°F34°F0"0"
201455°F19°F0"0"
201364°F30°F0"0"
201265°F30°F0"0"
201171°F29°F0"0"
201051°F34°F0.13"0"
200956°F12°F0"0"
200855°F25°F0"0"
200762°F20°F0"0"
200651°F27°F0"0"
200543°F25°F0"0"
200467°F29°F0"0"
200363°F21°F0"--
200269°F26°F0"--
200165°F25°F0"0"
200040°F27°F0.38"--
199949°F31°F0.13"--
199838°F17°F0"--
199753°F37°F0.08"--
199663°F21°F0"0"
199554°F23°F0"0"
199463°F24°F0"0"
199361°F28°F0"0"
199245°F33°F0.66"0"
199158°F12°F0"0"
199052°F22°F0.25"0"
198965°F24°F0"0"
198840°F15°F0"0"
198760°F17°F0"0"
198664°F31°F0"0"
198556°F20°F0"0"
198452°F16°F0"0"
198359°F30°F0"0"
198253°F26°F0"0"
198156°F19°F0"0"
198039°F6°F0.56"5.1"
197942°F23°F0.05"0.3"
197860°F29°F0.08"0"
197750°F22°F0"0"
197661°F20°F0"0"
197545°F20°F0"0"
197455°F28°F0"0"
197344°F15°F0.23"1.4"
197250°F13°F0"0"
197160°F25°F0"0"

March 31 at Nearby Parks

Holiday Weather at Grand Canyon

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

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