FrostDateCheck

Winona Lake, IN 46590 Frost Dates

Winona Lake, IN: when does the frost end?

Zone 6a

Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/24, roughly 182 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Winona Lake 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 Winona 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 Winona Lake's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.

Winona Lake against the rest of the dataset

At roughly 182 frost-free days, Winona Lake places 24,136 of 40,283 ZIP codes in this dataset. Within IN, it ranks 426 of 927.

Learn more

Before leaning on 46590's figures: zone vs. frost date explains why Zone 6a and Winona Lake's frost date answer different questions, while the frost range explains how to read the range around Winona Lake's dates instead of trusting one.