Lake Angelus, MI 48321 Frost Dates
48321, near Lake Angelus, MI: the frost window
Around 04/29 is the usual last spring frost, about 244 days away. Fall's first freeze usually shows up around 10/20, roughly 172 days after the last spring frost.
Lake Angelus 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.
Stretching the season past the first frost
Lake Angelus'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.
The actual range around Lake Angelus's last frost
04/29 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 05/14 and only about 1 year in 10 sees frost after that.
Lake Angelus against the rest of the dataset
At roughly 172 frost-free days, Lake Angelus places 28,490 of 40,283 ZIP codes in this dataset. Within MI, it ranks 275 of 1,153.
Learn more
Two guides worth reading on 48321: zone vs. frost date, on why Zone 6a and Lake Angelus's frost date answer different questions, and the frost range, on how to read the range around Lake Angelus's dates instead of trusting one.