Frost dates in San Juan County, Utah
The average last spring frost in San Juan County falls Mar 25 to May 19 and the average first fall frost Oct 2 to Nov 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 8a. Places: Bluff, Halls Crossing, La Sal, Mexican Hat, Montezuma Creek, Monticello. 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 |
|---|---|---|---|---|
| 84511 | White Mesa | Apr 28 | Oct 21 | 7a |
| 84512 | Bluff | Apr 24 | Oct 13 | 7a |
| 84530 | La Sal | May 17 | Oct 6 | 7a |
| 84531 | Mexican Hat | Apr 11 | Oct 30 | 7b |
| 84533 | Halls Crossing | Mar 25 | Nov 10 | 8a |
| 84534 | Montezuma Creek | May 2 | Oct 10 | 7a |
| 84535 | Monticello | May 19 | Oct 2 | 6b |
| 84536 | Oljato-Monument Valley | Apr 10 | Nov 1 | 8a |
Nearby counties
Grand County Wayne County Garfield County Emery County Piute County Sevier County
All Utah counties · Download Utah frost dates (CSV)
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