Noorvik, AK 99763 Frost Dates
Frost dates for Noorvik, AK, ZIP 99763
Typically, the last spring freeze lands around 06/05, roughly 281 days out. The first fall frost typically arrives around 09/24, about 110 frost-free days later.
The USDA Plant Hardiness Zone Map puts Noorvik in Zone 2b (-45 to -40°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 2b around Noorvik has about 4 weeks 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
06/05 is the middle of 30 years of NOAA records, not a promise. Plant by 05/20 and you're betting against frost in roughly 9 years out of 10. 06/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Noorvik compares
About 110 days separate Noorvik's last and first frost, putting it 39,510 of 40,283 ZIP codes nationally. Within AK, it ranks 175 of 269.
Learn more
zone vs. frost date explains why Zone 2b and Noorvik's frost date answer different questions, and the frost range explains how to read the range around Noorvik's dates instead of trusting one.