White Lake, WI 54430 Frost Dates
White Lake, WI: when does the frost end?
The last spring frost here typically falls around 05/14, about 259 days from today. Fall's first freeze usually shows up around 09/30, roughly 139 days after the last spring frost.
White Lake 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
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
05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
White Lake against the rest of the dataset
At roughly 139 frost-free days, White Lake places 37,278 of 40,283 ZIP codes in this dataset. Within WI, it ranks 740 of 860.
Learn more
Before leaning on 54430's figures: local microclimates explains what one yard in White Lake can differ from the 54430 normal, while zone vs. frost date explains why Zone 4b and White Lake's frost date answer different questions.