San Juan County, Arizona
Local growing conditions for San Juan County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 8 ZIP codes in our data.
Hardiness zones in San Juan County
San Juan County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in San Juan County for its live forecast, frost dates, and planting calendar:
White Mesa 84511
Tselakai Dezza 84512
La Sal 84530
Halchita 84531
Halls Crossing 84533
Montezuma Creek 84534
Monticello 84535
Oljato-Monument Valley 84536
More for Arizona
- Agriculture in Arizona
- Frost dates across Arizona
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.