Pinconning, MI 48650 Frost Dates
Frost dates for Pinconning, MI, ZIP 48650
Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/10, about 156 frost-free days later.
Zone 6a (-10 to -5°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 Pinconning, not a forecast for this year.
What to do before the first frost
Zone 6a around Pinconning has about 6 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
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pinconning compares
About 156 days separate Pinconning's last and first frost, putting it 33,709 of 40,283 ZIP codes nationally. Within MI, it ranks 751 of 1,153.
Learn more
local microclimates explains what one yard in Pinconning can differ from the 48650 normal, and zone vs. frost date explains why Zone 6a and Pinconning's frost date answer different questions.