FrostDateCheck

Powers, MI 49886 Frost Dates

49886, near Powers, MI: the frost window

Zone 5a

Typically, the last spring freeze lands around 05/19, roughly 264 days out. Fall's first freeze usually shows up around 10/01, roughly 133 days after the last spring frost.

Powers sits in USDA Zone 5a (-20 to -15°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

Powers'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.

The actual range around Powers's last frost

05/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/03 and only about 1 year in 10 sees frost after that.

Powers against the rest of the dataset

At roughly 133 frost-free days, Powers places 38,122 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,010 of 1,153.

Learn more

Two guides worth reading on 49886: local microclimates, on what one yard in Powers can differ from the 49886 normal, and zone vs. frost date, on why Zone 5a and Powers's frost date answer different questions.