Shaktoolik, AK 99771 Frost Dates
Frost dates for Shaktoolik, AK, ZIP 99771
The last spring frost here typically falls around 05/25, about 270 days from today. The first fall frost typically arrives around 09/03, about 101 frost-free days later.
The USDA Plant Hardiness Zone Map puts Shaktoolik in Zone 3b (-35 to -30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 3b around Shaktoolik has about 1 week left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/25 is the middle of 30 years of NOAA records, not a promise. Plant by 05/10 and you're betting against frost in roughly 9 years out of 10. 06/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Shaktoolik compares
At roughly 101 frost-free days, Shaktoolik places 39,692 of 40,283 ZIP codes in this dataset. Within AK, it ranks 189 of 269.
Learn more
the frost range explains how to read the range around Shaktoolik's dates instead of trusting one, and local microclimates explains what one yard in Shaktoolik can differ from the 99771 normal.