Footville, WI 53542 Frost Dates
53542, near Footville, WI: the frost window
Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/12, roughly 162 days after the last spring frost.
Footville sits in USDA Zone 5b (-15 to -10°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
Footville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Footville against the rest of the dataset
At roughly 162 frost-free days, Footville places 31,809 of 40,283 ZIP codes in this dataset. Within WI, it ranks 278 of 860.
Learn more
Two guides worth reading on 53542: zone vs. frost date, on why Zone 5b and Footville's frost date answer different questions, and the frost range, on how to read the range around Footville's dates instead of trusting one.