Del Mar, CA 92121 Frost Dates
Del Mar, CA: when does the frost end?
The NOAA station nearest to 92121 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).
Del Mar against the rest of the dataset
About 365 days separate Del Mar's last and first frost, putting it 1,905 of 40,283 ZIP codes nationally. Within CA, it ranks 883 of 2,555.
Learn more
Before leaning on 92121's figures: the methodology explains exactly which NOAA and USDA figures feed 92121's numbers, while zone vs. frost date explains why Zone 10b and Del Mar's frost date answer different questions.