Frost dates in Summit County, Utah
The average last spring frost in Summit County falls May 29 to Jun 14 and the average first fall frost Sep 9 to Sep 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 6a. Places: Coalville, Echo, Henefer, Marion, Oakley, Park City. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 82930 | Jun 14 | Sep 9 | 5a | |
| 84017 | Coalville | Jun 7 | Sep 12 | 5b |
| 84024 | Echo | May 30 | Sep 18 | 6a |
| 84033 | Henefer | May 30 | Sep 18 | 6a |
| 84036 | Marion | Jun 5 | Sep 17 | 5b |
| 84055 | Oakley | Jun 5 | Sep 17 | 5b |
| 84060 | Park City | May 29 | Sep 25 | 6a |
| 84061 | Peoa | Jun 11 | Sep 12 | 5b |
| 84098 | Summit Park | May 29 | Sep 25 | 5b |
Nearby counties
Morgan County Wasatch County Salt Lake County Davis County Weber County Utah County
All Utah counties · Download Utah frost dates (CSV)
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