Irvine, CA 92614 Frost Dates
92614, near Irvine, CA: the frost window
The NOAA station nearest to 92614 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).
Irvine against the rest of the dataset
Irvine's growing season runs about 365 days, ranking 251 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 46 of 2,555.
Learn more
Two guides worth reading on 92614: the methodology, on exactly which NOAA and USDA figures feed 92614's numbers, and zone vs. frost date, on why Zone 10b and Irvine's frost date answer different questions.