Honolulu, HI 96797 Frost Dates

Honolulu, HI: when does the frost end?

The NOAA station nearest to 96797 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 186 of 40,283 ZIP codes in this dataset. Within HI, it ranks 83 of 133.

Learn more

Before leaning on 96797's figures: the methodology explains exactly which NOAA and USDA figures feed 96797's numbers, while zone vs. frost date explains why Zone 12a and Honolulu's frost date answer different questions.