Litchfield, MI 49252 Frost Dates
Frost dates for Litchfield, MI, ZIP 49252
The last spring frost here typically falls around 05/03, about 248 days from today. The first fall frost typically arrives around 10/12, about 161 frost-free days later.
Litchfield 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 Litchfield 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
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Litchfield compares
At roughly 161 frost-free days, Litchfield places 32,089 of 40,283 ZIP codes in this dataset. Within MI, it ranks 585 of 1,153.
Learn more
local microclimates explains what one yard in Litchfield can differ from the 49252 normal, and zone vs. frost date explains why Zone 6a and Litchfield's frost date answer different questions.