Perrinton, MI 48874 Frost Dates
Frost dates for Perrinton, MI, ZIP 48874
Typically, the last spring freeze lands around 04/28, roughly 243 days out. The first fall frost typically arrives around 10/24, about 179 frost-free days later.
The USDA Plant Hardiness Zone Map puts Perrinton 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 Perrinton 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 Perrinton's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Perrinton compares
Perrinton's growing season runs about 179 days, ranking 25,464 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 104 of 1,153.
Learn more
zone vs. frost date explains why Zone 6a and Perrinton's frost date answer different questions, and the frost range explains how to read the range around Perrinton's dates instead of trusting one.