Honolulu, HI 96785 Frost Dates
When can you plant in Honolulu, HI?
The NOAA station nearest to 96785 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 11a (40 to 45°F average annual minimum).
How Honolulu compares
Honolulu's growing season runs about 365 days, ranking 176 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 73 of 133.
Learn more
zone vs. frost date covers why Zone 11a and Honolulu's frost date answer different questions. local microclimates covers what one yard in Honolulu can differ from the 96785 normal.