Newport Beach, CA 92612 Frost Dates
Newport Beach, CA: when does the frost end?
The NOAA station nearest to 92612 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).
Newport Beach against the rest of the dataset
Newport Beach's growing season runs about 365 days, ranking 664 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 287 of 2,555.
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Before leaning on 92612's figures: the methodology explains exactly which NOAA and USDA figures feed 92612's numbers, while zone vs. frost date explains why Zone 10b and Newport Beach's frost date answer different questions.