Lincoln, MI 48705 Frost Dates
Lincoln, MI: when does the frost end?
Typically, the last spring freeze lands around 05/19, roughly 264 days out. Fall's first freeze usually shows up around 09/29, roughly 133 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 Lincoln, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Lincoln's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Lincoln's last frost
05/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/02 and only about 1 year in 10 sees frost after that.
Lincoln against the rest of the dataset
At roughly 133 frost-free days, Lincoln places 38,126 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,012 of 1,153.
Learn more
Before leaning on 48705's figures: zone vs. frost date explains why Zone 5a and Lincoln's frost date answer different questions, while the frost range explains how to read the range around Lincoln's dates instead of trusting one.