Del Mar, CA 92161 Frost Dates
Del Mar, CA: when does the frost end?
The NOAA station nearest to 92161 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 1,907 of 40,283 ZIP codes nationally. Within CA, it ranks 885 of 2,555.
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Before leaning on 92161's figures: zone vs. frost date explains why Zone 10b and Del Mar's frost date answer different questions, while local microclimates explains what one yard in Del Mar can differ from the 92161 normal.