Belleville, MI 48111 Frost Dates
48111, near Belleville, MI: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/24, roughly 179 days after the last spring frost.
Belleville 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
Belleville'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.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Belleville against the rest of the dataset
About 179 days separate Belleville's last and first frost, putting it 25,297 of 40,283 ZIP codes nationally. Within MI, it ranks 95 of 1,153.
Learn more
Two guides worth reading on 48111: the frost range, on how to read the range around Belleville's dates instead of trusting one, and local microclimates, on what one yard in Belleville can differ from the 48111 normal.