Gascoyne, ND 57755 Frost Dates
Frost dates for Gascoyne, ND, ZIP 57755
Typically, the last spring freeze lands around 05/16, roughly 261 days out. The first fall frost typically arrives around 09/26, about 131 frost-free days later.
Gascoyne sits in USDA Zone 4b (-25 to -20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 4b around Gascoyne 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.
The actual range around Gascoyne's last frost
05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gascoyne compares
About 131 days separate Gascoyne's last and first frost, putting it 38,348 of 40,283 ZIP codes nationally. Within ND, it ranks 305 of 405.
Learn more
local microclimates explains what one yard in Gascoyne can differ from the 57755 normal, and zone vs. frost date explains why Zone 4b and Gascoyne's frost date answer different questions.