Eau Claire, MI 49102 Frost Dates
When can you plant in Eau Claire, MI?
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/30, about 189 frost-free days later.
Eau Claire 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
About 9 weeks of growing season left in Eau Claire before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eau Claire compares
At roughly 189 frost-free days, Eau Claire places 21,703 of 40,283 ZIP codes in this dataset. Within MI, it ranks 45 of 1,153.
Learn more
the frost range covers how to read the range around Eau Claire's dates instead of trusting one. local microclimates covers what one yard in Eau Claire can differ from the 49102 normal.