FrostDateCheck

North Pole, AK 99716 Frost Dates

Frost dates for North Pole, AK, ZIP 99716

Zone 2a

Around 05/30 is the usual last spring frost, about 275 days away. The first fall frost typically arrives around 09/02, about 95 frost-free days later.

North Pole sits in USDA Zone 2a (-50 to -45°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

Zone 2a around North Pole 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.

The actual range around North Pole's last frost

05/30 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. 06/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How North Pole compares

At roughly 95 frost-free days, North Pole places 39,810 of 40,283 ZIP codes in this dataset. Within AK, it ranks 208 of 269.

Learn more

zone vs. frost date explains why Zone 2a and North Pole's frost date answer different questions, and the frost range explains how to read the range around North Pole's dates instead of trusting one.