New Era, MI 49446 Frost Dates
Frost dates for New Era, MI, ZIP 49446
Typically, the last spring freeze lands around 05/19, roughly 264 days out. The first fall frost typically arrives around 10/04, about 136 frost-free days later.
The USDA Plant Hardiness Zone Map puts New Era 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 New Era has about 5 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.
Why 05/19 isn't a guarantee
05/19 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Era compares
About 136 days separate New Era's last and first frost, putting it 37,764 of 40,283 ZIP codes nationally. Within MI, it ranks 957 of 1,153.
Learn more
zone vs. frost date explains why Zone 6a and New Era's frost date answer different questions, and the frost range explains how to read the range around New Era's dates instead of trusting one.