Metamora, MI 48455 Frost Dates
Frost dates for Metamora, MI, ZIP 48455
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/14, about 160 frost-free days later.
Metamora sits in USDA Zone 6a (-10 to -5°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 6a around Metamora 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 05/04 isn't a guarantee
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Metamora compares
About 160 days separate Metamora's last and first frost, putting it 32,474 of 40,283 ZIP codes nationally. Within MI, it ranks 640 of 1,153.
Learn more
the frost range explains how to read the range around Metamora's dates instead of trusting one, and local microclimates explains what one yard in Metamora can differ from the 48455 normal.