Waldo, WI 53093 Frost Dates
53093, near Waldo, WI: the frost window
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/16, roughly 165 days after the last spring frost.
Waldo 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
Waldo's growing season runs out in roughly 7 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 Waldo'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 05/18 and only about 1 year in 10 sees frost after that.
Waldo against the rest of the dataset
About 165 days separate Waldo's last and first frost, putting it 30,704 of 40,283 ZIP codes nationally. Within WI, it ranks 203 of 860.
Learn more
Two guides worth reading on 53093: local microclimates, on what one yard in Waldo can differ from the 53093 normal, and zone vs. frost date, on why Zone 5b and Waldo's frost date answer different questions.