Piedmont, CA 94610 Frost Dates
Frost dates for Piedmont, CA, ZIP 94610
The NOAA station nearest to 94610 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 10a (30 to 35°F average annual minimum).
How Piedmont compares
Piedmont's growing season runs about 365 days, ranking 1,721 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 842 of 2,555.
Learn more
zone vs. frost date explains why Zone 10a and Piedmont's frost date answer different questions, and local microclimates explains what one yard in Piedmont can differ from the 94610 normal.