Tanana, AK 99756 Frost Dates
Tanana, AK: when does the frost end?
The NOAA station nearest to 99756 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 1b (-55 to -50°F average annual minimum).
Tanana against the rest of the dataset
At roughly 80 frost-free days, Tanana places 40,060 of 40,283 ZIP codes in this dataset. Within AK, it ranks 243 of 269.
Learn more
Before leaning on 99756's figures: local microclimates explains what one yard in Tanana can differ from the 99756 normal, while the methodology explains exactly which NOAA and USDA figures feed 99756's numbers.