San Diego, CA 92117 Frost Dates
92117, near San Diego, CA: the frost window
The NOAA station nearest to 92117 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
San Diego's growing season runs about 365 days, ranking 19 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 12 of 2,555.
Learn more
Two guides worth reading on 92117: local microclimates, on what one yard in San Diego can differ from the 92117 normal, and the methodology, on exactly which NOAA and USDA figures feed 92117's numbers.