Omer, MI 48749 Frost Dates
Omer, MI: when does the frost end?
Typically, the last spring freeze lands around 05/05, roughly 250 days out. Fall's first freeze usually shows up around 10/10, roughly 156 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Omer 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 6 weeks until Omer's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Omer's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 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.
Omer against the rest of the dataset
Omer's growing season runs about 156 days, ranking 33,829 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 759 of 1,153.
Learn more
Before leaning on 48749's figures: local microclimates explains what one yard in Omer can differ from the 48749 normal, while zone vs. frost date explains why Zone 5b and Omer's frost date answer different questions.