Compton, CA 90221 Frost Dates
Frost dates for Compton, CA, ZIP 90221
The NOAA station nearest to 90221 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).
How Compton compares
Compton's growing season runs about 365 days, ranking 577 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 254 of 2,555.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 90221's numbers, and zone vs. frost date explains why Zone 10b and Compton's frost date answer different questions.