La Mirada, CA 90638 Frost Dates
Frost dates for La Mirada, CA, ZIP 90638
The NOAA station nearest to 90638 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 La Mirada compares
La Mirada's growing season runs about 365 days, ranking 907 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 371 of 2,555.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 90638's numbers, and zone vs. frost date explains why Zone 10a and La Mirada's frost date answer different questions.