Dansville, MI 48819 Frost Dates
Frost dates for Dansville, MI, ZIP 48819
Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/17, about 173 frost-free days later.
Dansville 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 Dansville 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.
The actual range around Dansville's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 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 Dansville compares
At roughly 173 frost-free days, Dansville places 28,049 of 40,283 ZIP codes in this dataset. Within MI, it ranks 237 of 1,153.
Learn more
the frost range explains how to read the range around Dansville's dates instead of trusting one, and local microclimates explains what one yard in Dansville can differ from the 48819 normal.