Auburn, MI 48710 Frost Dates
48710, near Auburn, MI: the frost window
The last spring frost here typically falls around 04/26, about 241 days from today. Fall's first freeze usually shows up around 10/17, roughly 172 days after the last spring frost.
Zone 6a (-10 to -5°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 Auburn, not a forecast for this year.
Stretching the season past the first frost
Auburn's growing season runs out in roughly 7 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 Auburn's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Auburn against the rest of the dataset
At roughly 172 frost-free days, Auburn places 28,344 of 40,283 ZIP codes in this dataset. Within MI, it ranks 265 of 1,153.
Learn more
Two guides worth reading on 48710: zone vs. frost date, on why Zone 6a and Auburn's frost date answer different questions, and the frost range, on how to read the range around Auburn's dates instead of trusting one.