San Diego, CA 92111 Frost Dates
San Diego, CA: when does the frost end?
The NOAA station nearest to 92111 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).
San Diego against the rest of the dataset
At roughly 365 frost-free days, San Diego places 17 of 40,283 ZIP codes in this dataset. Within CA, it ranks 10 of 2,555.
Learn more
Before leaning on 92111's figures: zone vs. frost date explains why Zone 10b and San Diego's frost date answer different questions, while local microclimates explains what one yard in San Diego can differ from the 92111 normal.