Cheboygan, MI 49761 Frost Dates
49761, near Cheboygan, MI: the frost window
Typically, the last spring freeze lands around 05/11, roughly 256 days out. Fall's first freeze usually shows up around 10/11, roughly 152 days after the last spring frost.
Cheboygan sits in USDA Zone 5a (-20 to -15°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
Cheboygan's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Cheboygan's last frost
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Cheboygan against the rest of the dataset
At roughly 152 frost-free days, Cheboygan places 34,754 of 40,283 ZIP codes in this dataset. Within MI, it ranks 801 of 1,153.
Learn more
Two guides worth reading on 49761: local microclimates, on what one yard in Cheboygan can differ from the 49761 normal, and zone vs. frost date, on why Zone 5a and Cheboygan's frost date answer different questions.