Honolulu, HI 96789 Frost Dates
When can you plant in Honolulu, HI?
The NOAA station nearest to 96789 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 12a (50 to 55°F average annual minimum).
How Honolulu compares
At roughly 365 frost-free days, Honolulu places 179 of 40,283 ZIP codes in this dataset. Within HI, it ranks 76 of 133.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 96789's numbers. zone vs. frost date covers why Zone 12a and Honolulu's frost date answer different questions.