Whittier, CA 90605 Frost Dates
Frost dates for Whittier, CA, ZIP 90605
The NOAA station nearest to 90605 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 Whittier compares
Whittier's growing season runs about 365 days, ranking 652 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 283 of 2,555.
Learn more
local microclimates explains what one yard in Whittier can differ from the 90605 normal, and the methodology explains exactly which NOAA and USDA figures feed 90605's numbers.