Powers, MI 49847 Frost Dates
Frost dates for Powers, MI, ZIP 49847
Around 05/22 is the usual last spring frost, about 267 days away. The first fall frost typically arrives around 09/27, about 126 frost-free days later.
Powers sits in USDA Zone 5a (-20 to -15°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 5a around Powers 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.
Why 05/22 isn't a guarantee
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/07 and you're betting against frost in roughly 9 years out of 10. 06/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Powers compares
At roughly 126 frost-free days, Powers places 38,717 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,071 of 1,153.
Learn more
zone vs. frost date explains why Zone 5a and Powers's frost date answer different questions, and the frost range explains how to read the range around Powers's dates instead of trusting one.