Frost dates in Grand County, Utah
The average last spring frost in Grand County falls Apr 17 to Apr 27 and the average first fall frost Oct 9 to Oct 23, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Spanish Valley, Thompson Springs. 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 |
|---|---|---|---|---|
| 84515 | Apr 27 | Oct 9 | 6b | |
| 84532 | Spanish Valley | Apr 17 | Oct 23 | 7a |
| 84540 | Thompson Springs | Apr 27 | Oct 9 | 6b |
Nearby counties
Carbon County Emery County San Juan County Uintah County Wayne County Duchesne County
All Utah counties · Download Utah frost dates (CSV)
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