San Diego, CA 92110 Frost Dates
Frost dates for San Diego, CA, ZIP 92110
The NOAA station nearest to 92110 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).
How San Diego compares
About 365 days separate San Diego's last and first frost, putting it 16 of 40,283 ZIP codes nationally. Within CA, it ranks 9 of 2,555.
Learn more
zone vs. frost date explains why Zone 10b and San Diego's frost date answer different questions, and local microclimates explains what one yard in San Diego can differ from the 92110 normal.