Honolulu, HI 96817 Frost Dates
Frost dates for Honolulu, HI, ZIP 96817
The NOAA station nearest to 96817 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).
How Honolulu compares
Honolulu's growing season runs about 365 days, ranking 203 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 100 of 133.
Learn more
zone vs. frost date explains why Zone 12b and Honolulu's frost date answer different questions, and local microclimates explains what one yard in Honolulu can differ from the 96817 normal.