Coronado, CA 92140 Frost Dates
Coronado, CA: when does the frost end?
The NOAA station nearest to 92140 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 11a (40 to 45°F average annual minimum).
Coronado against the rest of the dataset
At roughly 365 frost-free days, Coronado places 1,496 of 40,283 ZIP codes in this dataset. Within CA, it ranks 773 of 2,555.
Learn more
Before leaning on 92140's figures: local microclimates explains what one yard in Coronado can differ from the 92140 normal, while the methodology explains exactly which NOAA and USDA figures feed 92140's numbers.