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Weather on March 31 at Arches

Arches National Park

UTSouthwest4,500 ft elevation
Avg High68°F
Avg Low37°F
Warmest202672°F
Coldest198032°F

Based on 56 years of data from Moab, UT

Elevation Note: Arches sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Moab, UT at a lower elevation.

Planning Your Visit

March 31st in Arches National Park (via Moab, UT) typically brings mild spring weather, with average highs around 68°F and lows near 37°F — a 31°F daily swing. Over 56 years of records, the warmest March 31st was in 2026 (72°F average), while the coldest was 1980 (32°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 31st dates historically, with the wettest March 31st recording 1.42" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.

Planning for March 31st in Arches? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202685°F59°F0"0"
202561°F43°F0"0"
202473°F55°F0"0"
202364°F33°F0"0"
202260°F40°F0"0"
202159°F28°F0"0"
202073°F36°F0"0"
201959°F38°F0.15"0"
201876°F41°F0"0"
201771°F46°F0"0"
201656°F33°F0"0"
201584°F42°F0"0"
201461°F34°F0"0"
201376°F41°F0"0"
201284°F44°F0"0"
201178°F41°F0"0"
201075°F58°F0"0"
200949°F26°F0"0"
200868°F41°F0"0"
200769°F30°F0"0"
200666°F35°F0"0"
200554°F29°F0"0"
200483°F37°F0"0"
200375°F35°F0"0"
200277°F38°F0"0"
200172°F34°F0"0"
200054°F39°F0"0"
199972°F36°F0"0"
199861°F29°F0.08"--
199773°F44°F0"0"
199671°F34°F0"0"
199564°F23°F0"0"
199472°F22°F0"0"
199368°F37°F0"0"
199269°F42°F0.03"0"
199171°F41°F0"0"
199069°F35°F0"0"
198971°F41°F0"0"
198852°F35°F0.3"0"
198766°F23°F0"0"
198679°F48°F0.18"0"
198557°F31°F0"--
198462°F43°F0"--
198373°F53°F0"0"
198267°F32°F0"0"
198158°F29°F0"0"
198045°F20°F0.2"0"
197958°F35°F1.42"0"
197884°F52°F0"0"
197761°F20°F0"0"
197668°F27°F0"0"
197556°F36°F0"0"
197472°F43°F0.13"0"
197359°F32°F0"0"
197263°F28°F0"0"
197180°F46°F0"0"

March 31 at Nearby Parks

Holiday Weather at Arches

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

Explore More at Arches

See historical weather for other dates

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