Nenana, AK 99758 Frost Dates

Nenana, AK: when does the frost end?

The NOAA station nearest to 99758 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 2a (-50 to -45°F average annual minimum).

Nenana against the rest of the dataset

At roughly 80 frost-free days, Nenana places 40,054 of 40,283 ZIP codes in this dataset. Within AK, it ranks 241 of 269.

Learn more

Before leaning on 99758's figures: zone vs. frost date explains why Zone 2a and Nenana's frost date answer different questions, while local microclimates explains what one yard in Nenana can differ from the 99758 normal.