Honolulu, HI 96726 Frost Dates

Honolulu, HI: when does the frost end?

The NOAA station nearest to 96726 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).

Honolulu against the rest of the dataset

Honolulu's growing season runs about 365 days, ranking 123 of 40,283 US ZIP codes measured here, longest to shortest. Within HI, it ranks 20 of 133.

Learn more

Before leaning on 96726's figures: zone vs. frost date explains why Zone 11a and Honolulu's frost date answer different questions, while local microclimates explains what one yard in Honolulu can differ from the 96726 normal.