Plainwell, MI 49080 Frost Dates
Plainwell, MI: when does the frost end?
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/15, roughly 160 days after the last spring frost.
Plainwell sits in USDA Zone 6a (-10 to -5°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
With roughly 7 weeks until Plainwell's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Plainwell's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Plainwell against the rest of the dataset
At roughly 160 frost-free days, Plainwell places 32,314 of 40,283 ZIP codes in this dataset. Within MI, it ranks 630 of 1,153.
Learn more
Before leaning on 49080's figures: local microclimates explains what one yard in Plainwell can differ from the 49080 normal, while zone vs. frost date explains why Zone 6a and Plainwell's frost date answer different questions.