Newberry, MI 49820 Frost Dates
49820, near Newberry, MI: the frost window
The last spring frost here typically falls around 05/26, about 271 days from today. Fall's first freeze usually shows up around 09/30, roughly 127 days after the last spring frost.
Zone 5a (-20 to -15°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 Newberry, not a forecast for this year.
Stretching the season past the first frost
Newberry's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/10 and only about 1 year in 10 sees frost after that.
Newberry against the rest of the dataset
Newberry's growing season runs about 127 days, ranking 38,632 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 1,056 of 1,153.
Learn more
Two guides worth reading on 49820: the frost range, on how to read the range around Newberry's dates instead of trusting one, and local microclimates, on what one yard in Newberry can differ from the 49820 normal.