Midland, MI 48670 Frost Dates
Frost dates for Midland, MI, ZIP 48670
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/16, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Midland in Zone 6a (-10 to -5°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 6a around Midland 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.
How much risk comes with planting early here
04/29 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. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Midland compares
About 167 days separate Midland's last and first frost, putting it 29,865 of 40,283 ZIP codes nationally. Within MI, it ranks 358 of 1,153.
Learn more
the frost range explains how to read the range around Midland's dates instead of trusting one, and local microclimates explains what one yard in Midland can differ from the 48670 normal.