FrostDateCheck

Emerado, ND 58228 Frost Dates

Frost dates for Emerado, ND, ZIP 58228

Zone 4a

The last spring frost here typically falls around 05/16, about 261 days from today. The first fall frost typically arrives around 09/27, about 133 frost-free days later.

Emerado sits in USDA Zone 4a (-30 to -25°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 4a around Emerado 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

05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Emerado compares

About 133 days separate Emerado's last and first frost, putting it 38,111 of 40,283 ZIP codes nationally. Within ND, it ranks 283 of 405.

Learn more

local microclimates explains what one yard in Emerado can differ from the 58228 normal, and zone vs. frost date explains why Zone 4a and Emerado's frost date answer different questions.