San Diego, CA 92137 Frost Dates
San Diego, CA: when does the frost end?
The NOAA station nearest to 92137 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).
San Diego against the rest of the dataset
San Diego's growing season runs about 365 days, ranking 24 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 17 of 2,555.
Learn more
Before leaning on 92137's figures: local microclimates explains what one yard in San Diego can differ from the 92137 normal, while the methodology explains exactly which NOAA and USDA figures feed 92137's numbers.