FrostDateCheck

Wisconsin Rapids, WI 54494 Frost Dates

Wisconsin Rapids, WI: when does the frost end?

Zone 4b

Typically, the last spring freeze lands around 05/09, roughly 254 days out. Fall's first freeze usually shows up around 09/30, roughly 142 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Wisconsin Rapids in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

With roughly 5 weeks until Wisconsin Rapids's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Wisconsin Rapids's last frost

05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.

Wisconsin Rapids against the rest of the dataset

At roughly 142 frost-free days, Wisconsin Rapids places 36,712 of 40,283 ZIP codes in this dataset. Within WI, it ranks 700 of 860.

Learn more

Before leaning on 54494's figures: zone vs. frost date explains why Zone 4b and Wisconsin Rapids's frost date answer different questions, while the frost range explains how to read the range around Wisconsin Rapids's dates instead of trusting one.