Clare, MI 48617 Frost Dates
Clare, MI: when does the frost end?
The last spring frost here typically falls around 05/09, about 254 days from today. Fall's first freeze usually shows up around 10/04, roughly 148 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Clare in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 5 weeks until Clare's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Clare's last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.
Clare against the rest of the dataset
At roughly 148 frost-free days, Clare places 35,717 of 40,283 ZIP codes in this dataset. Within MI, it ranks 835 of 1,153.
Learn more
Before leaning on 48617's figures: zone vs. frost date explains why Zone 5b and Clare's frost date answer different questions, while the frost range explains how to read the range around Clare's dates instead of trusting one.