Racine, WI 53407 Frost Dates
Racine, WI: when does the frost end?
The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/24, roughly 184 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Racine in Zone 6a (-10 to -5°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 8 weeks until Racine's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Racine against the rest of the dataset
About 184 days separate Racine's last and first frost, putting it 23,402 of 40,283 ZIP codes nationally. Within WI, it ranks 11 of 860.
Learn more
Before leaning on 53407's figures: the frost range explains how to read the range around Racine's dates instead of trusting one, while local microclimates explains what one yard in Racine can differ from the 53407 normal.