North Pole, AK 99707 Frost Dates
When can you plant in North Pole, AK?
Typically, the last spring freeze lands around 05/22, roughly 267 days out. The first fall frost typically arrives around 09/02, about 102 frost-free days later.
North Pole sits in USDA Zone 3b (-35 to -30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 1 week of growing season left in North Pole before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/12 and you're betting against frost in roughly 9 years out of 10. 06/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Pole compares
At roughly 102 frost-free days, North Pole places 39,654 of 40,283 ZIP codes in this dataset. Within AK, it ranks 185 of 269.
Learn more
the frost range covers how to read the range around North Pole's dates instead of trusting one. local microclimates covers what one yard in North Pole can differ from the 99707 normal.