Honolulu, HI 96791 Frost Dates
96791, near Honolulu, HI: the frost window
The NOAA station nearest to 96791 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
At roughly 365 frost-free days, Honolulu places 181 of 40,283 ZIP codes in this dataset. Within HI, it ranks 78 of 133.
Learn more
Two guides worth reading on 96791: local microclimates, on what one yard in Honolulu can differ from the 96791 normal, and the methodology, on exactly which NOAA and USDA figures feed 96791's numbers.