Weather on March 21 at Zion

Zion National Park

UTSouthwest4,000 ft elevation
Avg High68°F
Avg Low40°F
Warmest200472°F
Coldest199136°F

Based on 56 years of data from Springdale, UT

Elevation Note: Zion sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Springdale, UT at a lower elevation.

Planning Your Visit

March 21st in Zion National Park (via Springdale, UT) typically brings mild spring weather, with average highs around 68°F and lows near 40°F — a 28°F daily swing. Over 56 years of records, the warmest March 21st was in 2004 (72°F average), while the coldest was 1991 (36°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 21st dates historically, with the wettest March 21st recording 1.3" of rain. The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.

The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.

Planning for March 21st in Zion? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202668°F35°F----
202565°F39°F0"0"
202471°F46°F0"0"
202349°F38°F1.3"0"
202260°F38°F0"0"
202167°F33°F0"0"
202045°F36°F0.64"0"
201967°F40°F0.66"--
201862°F39°F0"0"
201783°F53°F0"--
201679°F50°F0"0"
201575°F46°F0"0"
201473°F46°F0"0"
201370°F41°F0"0"
201272°F26°F0"0"
201159°F35°F0.23"--
201071°F39°F0"0"
200979°F50°F0"0"
200873°F43°F0"0"
200769°F44°F0"0"
200647°F34°F1.27"0"
200560°F35°F0.03"0"
200490°F55°F0"0"
200365°F29°F0"0"
200281°F49°F0"0"
200177°F48°F0"0"
200058°F32°F0"0"
199975°F43°F0"0"
199874°F43°F0"0"
199785°F53°F0"0"
199680°F45°F0"0"
199570°F52°F0"--
199468°F38°F0"0"
199376°F45°F0"0"
199271°F44°F0.64"0"
199143°F30°F1.14"0"
199078°F48°F0"0"
198970°F34°F0"0"
198879°F44°F0"0"
198753°F33°F0"0"
198673°F44°F0"0"
198562°F41°F0"--
198475°F46°F0"--
198351°F35°F0.99"0"
198255°F31°F0"0"
198160°F28°F0.03"0"
198061°F38°F0"0"
197950°F37°F0.79"0"
197873°F52°F0.13"0"
197767°F28°F0"0"
197668°F24°F0"0"
197565°F39°F0"0"
197465°F30°F0"0"
197350°F33°F0.81"0"
197281°F48°F0"0"
197172°F40°F0"0"

March 21 at Nearby Parks

Holiday Weather at Zion

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

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See historical weather for other dates

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