Barney, ND 58008 Frost Dates
Frost dates for Barney, ND, ZIP 58008
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 09/29, about 145 frost-free days later.
The USDA Plant Hardiness Zone Map puts Barney in Zone 4a (-30 to -25°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 4a around Barney 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.
Why 05/06 isn't a guarantee
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 Barney compares
At roughly 145 frost-free days, Barney places 36,317 of 40,283 ZIP codes in this dataset. Within ND, it ranks 64 of 405.
Learn more
local microclimates explains what one yard in Barney can differ from the 58008 normal, and zone vs. frost date explains why Zone 4a and Barney's frost date answer different questions.