White Lake, WI 54175 Frost Dates
White Lake, WI: when does the frost end?
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.
The USDA Plant Hardiness Zone Map puts White Lake 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 White Lake's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around White Lake'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.
White Lake against the rest of the dataset
About 131 days separate White Lake's last and first frost, putting it 38,340 of 40,283 ZIP codes nationally. Within WI, it ranks 799 of 860.
Learn more
Before leaning on 54175's figures: local microclimates explains what one yard in White Lake can differ from the 54175 normal, while zone vs. frost date explains why Zone 4b and White Lake's frost date answer different questions.