Santa Monica, CA 90291 Frost Dates
Frost dates for Santa Monica, CA, ZIP 90291
The NOAA station nearest to 90291 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).
How Santa Monica compares
At roughly 365 frost-free days, Santa Monica places 582 of 40,283 ZIP codes in this dataset. Within CA, it ranks 259 of 2,555.
Learn more
zone vs. frost date explains why Zone 11a and Santa Monica's frost date answer different questions, and local microclimates explains what one yard in Santa Monica can differ from the 90291 normal.