Benzonia, MI 49616 Frost Dates
Frost dates for Benzonia, MI, ZIP 49616
Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/20, about 163 frost-free days later.
The USDA Plant Hardiness Zone Map puts Benzonia 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 Benzonia 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
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Benzonia compares
At roughly 163 frost-free days, Benzonia places 31,509 of 40,283 ZIP codes in this dataset. Within MI, it ranks 521 of 1,153.
Learn more
local microclimates explains what one yard in Benzonia can differ from the 49616 normal, and zone vs. frost date explains why Zone 6b and Benzonia's frost date answer different questions.