FrostDateCheck

Dundee, MI 48131 Frost Dates

Frost dates for Dundee, MI, ZIP 48131

Zone 6a

Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/21, about 176 frost-free days later.

The USDA Plant Hardiness Zone Map puts Dundee in Zone 6a (-10 to -5°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 6a around Dundee has about 8 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 Dundee's last frost

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Dundee compares

At roughly 176 frost-free days, Dundee places 26,431 of 40,283 ZIP codes in this dataset. Within MI, it ranks 119 of 1,153.

Learn more

the frost range explains how to read the range around Dundee's dates instead of trusting one, and local microclimates explains what one yard in Dundee can differ from the 48131 normal.