Mount Clemens, MI 48046 Frost Dates
Mount Clemens, MI: when does the frost end?
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/24, roughly 174 days after the last spring frost.
Mount Clemens sits in USDA Zone 6b (-5 to 0°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.
Stretching the season past the first frost
With roughly 8 weeks until Mount Clemens's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mount Clemens's last frost
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
Mount Clemens's growing season runs about 174 days, ranking 27,391 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 171 of 1,153.
Learn more
Before leaning on 48046's figures: zone vs. frost date explains why Zone 6b and Mount Clemens's frost date answer different questions, while the frost range explains how to read the range around Mount Clemens's dates instead of trusting one.