FrostDateCheck

Twin Lakes, WI 53152 Frost Dates

Twin Lakes, WI: when does the frost end?

Zone 5b

Typically, the last spring freeze lands around 05/05, roughly 250 days out. Fall's first freeze usually shows up around 10/09, roughly 156 days after the last spring frost.

Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Twin Lakes, not a forecast for this year.

Stretching the season past the first frost

With roughly 6 weeks until Twin Lakes's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Twin Lakes's last frost

05/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.

Twin Lakes against the rest of the dataset

At roughly 156 frost-free days, Twin Lakes places 33,567 of 40,283 ZIP codes in this dataset. Within WI, it ranks 413 of 860.

Learn more

Before leaning on 53152's figures: local microclimates explains what one yard in Twin Lakes can differ from the 53152 normal, while zone vs. frost date explains why Zone 5b and Twin Lakes's frost date answer different questions.