Wahpeton, ND 58076 Frost Dates
Frost dates for Wahpeton, ND, ZIP 58076
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/03, about 152 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wahpeton 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 Wahpeton 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
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wahpeton compares
About 152 days separate Wahpeton's last and first frost, putting it 34,727 of 40,283 ZIP codes nationally. Within ND, it ranks 26 of 405.
Learn more
local microclimates explains what one yard in Wahpeton can differ from the 58076 normal, and zone vs. frost date explains why Zone 4a and Wahpeton's frost date answer different questions.