Friesland, WI 53935 Frost Dates
53935, near Friesland, WI: the frost window
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/02, roughly 150 days after the last spring frost.
Friesland sits in USDA Zone 5a (-20 to -15°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
Friesland's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/06 isn't a guarantee
05/06 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.
Friesland against the rest of the dataset
At roughly 150 frost-free days, Friesland places 35,399 of 40,283 ZIP codes in this dataset. Within WI, it ranks 584 of 860.
Learn more
Two guides worth reading on 53935: the frost range, on how to read the range around Friesland's dates instead of trusting one, and local microclimates, on what one yard in Friesland can differ from the 53935 normal.