Onekama, MI 49675 Frost Dates
Onekama, MI: when does the frost end?
The last spring frost here typically falls around 05/14, about 259 days from today. Fall's first freeze usually shows up around 10/12, roughly 151 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Onekama in Zone 6b (-5 to 0°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 6 weeks until Onekama's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Onekama's last frost
05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/31 and only about 1 year in 10 sees frost after that.
Onekama against the rest of the dataset
Onekama's growing season runs about 151 days, ranking 35,150 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 820 of 1,153.
Learn more
Before leaning on 49675's figures: local microclimates explains what one yard in Onekama can differ from the 49675 normal, while zone vs. frost date explains why Zone 6b and Onekama's frost date answer different questions.