Crandon, WI 54511 Frost Dates
54511, near Crandon, WI: the frost window
Around 05/19 is the usual last spring frost, about 264 days away. Fall's first freeze usually shows up around 09/29, roughly 131 days after the last spring frost.
Crandon sits in USDA Zone 4b (-25 to -20°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
Crandon'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.
The actual range around Crandon's last frost
05/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/02 and only about 1 year in 10 sees frost after that.
Crandon against the rest of the dataset
At roughly 131 frost-free days, Crandon places 38,287 of 40,283 ZIP codes in this dataset. Within WI, it ranks 793 of 860.
Learn more
Two guides worth reading on 54511: local microclimates, on what one yard in Crandon can differ from the 54511 normal, and zone vs. frost date, on why Zone 4b and Crandon's frost date answer different questions.