Gackle, ND 58442 Frost Dates
Frost dates for Gackle, ND, ZIP 58442
Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/04, about 150 frost-free days later.
Zone 4a (-30 to -25°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Gackle, not a forecast for this year.
What to do before the first frost
Zone 4a around Gackle has about 5 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
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gackle compares
At roughly 150 frost-free days, Gackle places 35,411 of 40,283 ZIP codes in this dataset. Within ND, it ranks 41 of 405.
Learn more
local microclimates explains what one yard in Gackle can differ from the 58442 normal, and zone vs. frost date explains why Zone 4a and Gackle's frost date answer different questions.