FrostDateCheck

Fordville, ND 58231 Frost Dates

Frost dates for Fordville, ND, ZIP 58231

Zone 4a

The last spring frost here typically falls around 05/11, about 256 days from today. The first fall frost typically arrives around 09/28, about 138 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 Fordville, not a forecast for this year.

What to do before the first frost

Zone 4a around Fordville 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.

How much risk comes with planting early here

05/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fordville compares

At roughly 138 frost-free days, Fordville places 37,462 of 40,283 ZIP codes in this dataset. Within ND, it ranks 194 of 405.

Learn more

the frost range explains how to read the range around Fordville's dates instead of trusting one, and local microclimates explains what one yard in Fordville can differ from the 58231 normal.