Honolulu, HI 96742 Frost Dates
96742, near Honolulu, HI: the frost window
The NOAA station nearest to 96742 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 12b (55 to 60°F average annual minimum).
Honolulu against the rest of the dataset
About 365 days separate Honolulu's last and first frost, putting it 136 of 40,283 ZIP codes nationally. Within HI, it ranks 33 of 133.
Learn more
Two guides worth reading on 96742: the methodology, on exactly which NOAA and USDA figures feed 96742's numbers, and zone vs. frost date, on why Zone 12b and Honolulu's frost date answer different questions.