Ahmeek, MI 49950 Frost Dates
Frost dates for Ahmeek, MI, ZIP 49950
The last spring frost here typically falls around 05/20, about 265 days from today. The first fall frost typically arrives around 10/15, about 148 frost-free days later.
Ahmeek sits in USDA Zone 5b (-15 to -10°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 5b around Ahmeek has about 7 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 05/20 isn't a guarantee
05/20 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 06/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ahmeek compares
At roughly 148 frost-free days, Ahmeek places 35,816 of 40,283 ZIP codes in this dataset. Within MI, it ranks 853 of 1,153.
Learn more
local microclimates explains what one yard in Ahmeek can differ from the 49950 normal, and zone vs. frost date explains why Zone 5b and Ahmeek's frost date answer different questions.