Hermosa Beach, CA 90254 Frost Dates
90254, near Hermosa Beach, CA: the frost window
The NOAA station nearest to 90254 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 11a (40 to 45°F average annual minimum).
Hermosa Beach against the rest of the dataset
At roughly 365 frost-free days, Hermosa Beach places 1,486 of 40,283 ZIP codes in this dataset. Within CA, it ranks 763 of 2,555.
Learn more
Two guides worth reading on 90254: zone vs. frost date, on why Zone 11a and Hermosa Beach's frost date answer different questions, and local microclimates, on what one yard in Hermosa Beach can differ from the 90254 normal.