Newport Beach, CA 92657 Frost Dates
Frost dates for Newport Beach, CA, ZIP 92657
The NOAA station nearest to 92657 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 Newport Beach compares
Newport Beach's growing season runs about 365 days, ranking 667 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 290 of 2,555.
Learn more
local microclimates explains what one yard in Newport Beach can differ from the 92657 normal, and the methodology explains exactly which NOAA and USDA figures feed 92657's numbers.