Honolulu, HI 96788 Frost Dates
Honolulu, HI: when does the frost end?
The NOAA station nearest to 96788 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 178 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 75 of 133.
Learn more
Before leaning on 96788's figures: local microclimates explains what one yard in Honolulu can differ from the 96788 normal, while the methodology explains exactly which NOAA and USDA figures feed 96788's numbers.