Coronado, CA 92155 Frost Dates
92155, near Coronado, CA: the frost window
The NOAA station nearest to 92155 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 10b (35 to 40°F average annual minimum).
Coronado against the rest of the dataset
About 365 days separate Coronado's last and first frost, putting it 1,497 of 40,283 ZIP codes nationally. Within CA, it ranks 774 of 2,555.
Learn more
Two guides worth reading on 92155: zone vs. frost date, on why Zone 10b and Coronado's frost date answer different questions, and local microclimates, on what one yard in Coronado can differ from the 92155 normal.