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Frost dates in Yuma County, Arizona

Layered red cliffs of the Grand Canyon at sunset from the South Rim, Arizona
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The average last spring frost in Yuma County falls Jan 4 to Feb 13 and the average first fall frost Dec 1 to Dec 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 9b. Places: Fortuna Foothills, Martinez Lake, San Luis, Tacna, Wellton, Yuma. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIPPlaceLast spring frostFirst fall frostZone
85336San LuisJan 8Dec 2810a
85347Feb 13Dec 19b
85349San LuisJan 8Dec 2810a
85350San LuisJan 8Dec 2810a
85352TacnaFeb 13Dec 19b
85356WelltonJan 11Dec 219b
85364YumaJan 8Dec 2810a
85365Martinez LakeJan 11Dec 219a
85367Fortuna FoothillsJan 4Dec 2510a

Nearby counties

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All Arizona counties · Download Arizona frost dates (CSV)