FrostDateCheck

Emily, MN 56662 Frost Dates

Frost dates for Emily, MN, ZIP 56662

Zone 4a

Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/07, about 152 frost-free days later.

Emily 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 Emily has about 6 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 Emily's last frost

05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 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 Emily compares

Emily's growing season runs about 152 days, ranking 34,822 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 453 of 943.

Learn more

the frost range explains how to read the range around Emily's dates instead of trusting one, and local microclimates explains what one yard in Emily can differ from the 56662 normal.