New Buffalo, MI 49117 Frost Dates
When can you plant in New Buffalo, MI?
The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/27, about 191 frost-free days later.
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 New Buffalo, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in New Buffalo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around New Buffalo's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Buffalo compares
At roughly 191 frost-free days, New Buffalo places 20,804 of 40,283 ZIP codes in this dataset. Within MI, it ranks 11 of 1,153.
Learn more
zone vs. frost date covers why Zone 6a and New Buffalo's frost date answer different questions. the frost range covers how to read the range around New Buffalo's dates instead of trusting one.