Readstown, WI 54652 Frost Dates
Readstown, WI: when does the frost end?
Around 05/07 is the usual last spring frost, about 252 days away. Fall's first freeze usually shows up around 10/02, roughly 148 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Readstown in Zone 5a (-20 to -15°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 Readstown's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Readstown's last frost
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 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.
Readstown against the rest of the dataset
At roughly 148 frost-free days, Readstown places 35,790 of 40,283 ZIP codes in this dataset. Within WI, it ranks 624 of 860.
Learn more
Before leaning on 54652's figures: local microclimates explains what one yard in Readstown can differ from the 54652 normal, while zone vs. frost date explains why Zone 5a and Readstown's frost date answer different questions.