Carlsbad, CA 92009 Frost Dates
Frost dates for Carlsbad, CA, ZIP 92009
The NOAA station nearest to 92009 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 10a (30 to 35°F average annual minimum).
How Carlsbad compares
Carlsbad's growing season runs about 365 days, ranking 454 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 179 of 2,555.
Learn more
zone vs. frost date explains why Zone 10a and Carlsbad's frost date answer different questions, and local microclimates explains what one yard in Carlsbad can differ from the 92009 normal.