Seal Beach, CA 90742 Frost Dates
Seal Beach, CA: when does the frost end?
The NOAA station nearest to 90742 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).
Seal Beach against the rest of the dataset
Seal Beach's growing season runs about 365 days, ranking 1,179 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 503 of 2,555.
Learn more
Before leaning on 90742's figures: the methodology explains exactly which NOAA and USDA figures feed 90742's numbers, while zone vs. frost date explains why Zone 10b and Seal Beach's frost date answer different questions.