Sterling Heights, MI 48313 Frost Dates
Frost dates for Sterling Heights, MI, ZIP 48313
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/24, about 174 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sterling Heights in Zone 6b (-5 to 0°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 6b around Sterling Heights 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.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sterling Heights compares
At roughly 174 frost-free days, Sterling Heights places 27,318 of 40,283 ZIP codes in this dataset. Within MI, it ranks 164 of 1,153.
Learn more
the frost range explains how to read the range around Sterling Heights's dates instead of trusting one, and local microclimates explains what one yard in Sterling Heights can differ from the 48313 normal.