FrostDateCheck

Jeffersonville, IL 62842 Frost Dates

Jeffersonville, IL: when does the frost end?

Zone 6b

The last spring frost here typically falls around 04/09, about 224 days from today. Fall's first freeze usually shows up around 10/24, roughly 198 days after the last spring frost.

Zone 6b (-5 to 0°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 Jeffersonville, not a forecast for this year.

Stretching the season past the first frost

With roughly 8 weeks until Jeffersonville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Jeffersonville's last frost

04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.

Jeffersonville against the rest of the dataset

At roughly 198 frost-free days, Jeffersonville places 18,524 of 40,283 ZIP codes in this dataset. Within IL, it ranks 309 of 1,548.

Learn more

Before leaning on 62842's figures: zone vs. frost date explains why Zone 6b and Jeffersonville's frost date answer different questions, while the frost range explains how to read the range around Jeffersonville's dates instead of trusting one.