Honolulu, HI 96737 Frost Dates
96737, near Honolulu, HI: the frost window
The NOAA station nearest to 96737 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 11b (45 to 50°F average annual minimum).
Honolulu against the rest of the dataset
Honolulu's growing season runs about 365 days, ranking 132 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 29 of 133.
Learn more
Two guides worth reading on 96737: the methodology, on exactly which NOAA and USDA figures feed 96737's numbers, and zone vs. frost date, on why Zone 11b and Honolulu's frost date answer different questions.