Kalamazoo, MI 49008 Frost Dates
Frost dates for Kalamazoo, MI, ZIP 49008
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/20, about 173 frost-free days later.
Kalamazoo 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 Kalamazoo has about 8 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 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kalamazoo compares
At roughly 173 frost-free days, Kalamazoo places 27,734 of 40,283 ZIP codes in this dataset. Within MI, it ranks 196 of 1,153.
Learn more
the frost range explains how to read the range around Kalamazoo's dates instead of trusting one, and local microclimates explains what one yard in Kalamazoo can differ from the 49008 normal.