Craig, AK 99921 Frost Dates
Frost dates for Craig, AK, ZIP 99921
The last spring frost here typically falls around 04/14, about 229 days from today. The first fall frost typically arrives around 11/01, about 201 frost-free days later.
The USDA Plant Hardiness Zone Map puts Craig in Zone 7b (5 to 10°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 7b around Craig has about 9 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.
The actual range around Craig's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Craig compares
At roughly 201 frost-free days, Craig places 17,582 of 40,283 ZIP codes in this dataset. Within AK, it ranks 6 of 269.
Learn more
the frost range explains how to read the range around Craig's dates instead of trusting one, and local microclimates explains what one yard in Craig can differ from the 99921 normal.