Honolulu, HI 96746 Frost Dates
96746, near Honolulu, HI: the frost window
The NOAA station nearest to 96746 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 139 of 40,283 ZIP codes in this dataset. Within HI, it ranks 36 of 133.
Learn more
Two guides worth reading on 96746: 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 96746 normal.