Hamtramck, MI 48226 Frost Dates
Frost dates for Hamtramck, MI, ZIP 48226
Typically, the last spring freeze lands around 04/21, roughly 236 days out. The first fall frost typically arrives around 10/31, about 190 frost-free days later.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hamtramck, not a forecast for this year.
What to do before the first frost
Zone 6b around Hamtramck has about 9 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 04/21 isn't a guarantee
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hamtramck compares
About 190 days separate Hamtramck's last and first frost, putting it 21,052 of 40,283 ZIP codes nationally. Within MI, it ranks 27 of 1,153.
Learn more
the frost range explains how to read the range around Hamtramck's dates instead of trusting one, and local microclimates explains what one yard in Hamtramck can differ from the 48226 normal.