Honolulu, HI 96786 Frost Dates
96786, near Honolulu, HI: the frost window
The NOAA station nearest to 96786 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).
Honolulu against the rest of the dataset
Honolulu's growing season runs about 365 days, ranking 177 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 74 of 133.
Learn more
Two guides worth reading on 96786: zone vs. frost date, on why Zone 12a and Honolulu's frost date answer different questions, and local microclimates, on what one yard in Honolulu can differ from the 96786 normal.