Mount Clemens, MI 48044 Frost Dates
48044, near Mount Clemens, MI: the frost window
Typically, the last spring freeze lands around 04/30, roughly 245 days out. Fall's first freeze usually shows up around 10/24, roughly 174 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Mount Clemens, not a forecast for this year.
Stretching the season past the first frost
Mount Clemens's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Mount Clemens against the rest of the dataset
At roughly 174 frost-free days, Mount Clemens places 27,389 of 40,283 ZIP codes in this dataset. Within MI, it ranks 169 of 1,153.
Learn more
Two guides worth reading on 48044: local microclimates, on what one yard in Mount Clemens can differ from the 48044 normal, and zone vs. frost date, on why Zone 6b and Mount Clemens's frost date answer different questions.