Frost dates · 24 cities · zones 6a–8b

Utah frost dates, city by city

Median last spring frost across 24 Utah cities runs from March 14 in St. George to May 2 in Tooele.

CityZoneLast frost medianFirst frost medianSeasonJan → Dec
Salt Lake City7bMar 31Nov 8224 d
West Valley City7bApr 8Oct 31204 d
West Jordan7bApr 18Oct 22185 d
Provo7aApr 18Oct 21185 d
St. George8bMar 14Nov 10239 d
Orem7aApr 19Oct 19182 d
Lehi7aApr 30Oct 9159 d
Sandy7bApr 29Oct 22174 d
Ogden6bApr 21Oct 23184 d
South Jordan7aApr 18Oct 22185 d
Layton7aApr 19Oct 19181 d
Millcreek7bApr 25Oct 18175 d
Herriman7aApr 18Oct 22185 d
Eagle Mountain6bApr 30Oct 9159 d
Taylorsville7bApr 8Oct 31204 d
Saratoga Springs7aApr 30Oct 9159 d
Logan6aApr 30Oct 16166 d
Murray7bApr 29Oct 22174 d
Draper7aApr 18Oct 22185 d
Spanish Fork7aApr 25Oct 18174 d
Riverton7aApr 18Oct 22185 d
Bountiful6bApr 25Oct 24181 d
American Fork7aApr 17Oct 25188 d
Tooele7aMay 2Oct 16165 d

Medians from NOAA NCEI 1991–2020 U.S. Climate Normals at each city's nearest qualifying station; zones from the 2023 USDA Plant Hardiness Zone Map. Open a city for the 1-in-10-year dates, the station, and a planting calendar for every sauce crop.