North Prairie, WI 53153 Frost Dates
53153, near North Prairie, WI: the frost window
The last spring frost here typically falls around 05/03, about 248 days from today. Fall's first freeze usually shows up around 10/09, roughly 157 days after the last spring frost.
North Prairie 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
North Prairie'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.
The actual range around North Prairie's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
North Prairie against the rest of the dataset
At roughly 157 frost-free days, North Prairie places 33,335 of 40,283 ZIP codes in this dataset. Within WI, it ranks 392 of 860.
Learn more
Two guides worth reading on 53153: zone vs. frost date, on why Zone 5b and North Prairie's frost date answer different questions, and the frost range, on how to read the range around North Prairie's dates instead of trusting one.