San Diego, CA 92145 Frost Dates
When can you plant in San Diego, CA?
The NOAA station nearest to 92145 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
San Diego's growing season runs about 365 days, ranking 25 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 18 of 2,555.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 92145's numbers. zone vs. frost date covers why Zone 10b and San Diego's frost date answer different questions.