FrostDateCheck

West Terre Haute, IN 47876 Frost Dates

West Terre Haute, IN: when does the frost end?

Zone 6a

Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/19, roughly 187 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts West Terre Haute 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 7 weeks until West Terre Haute's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around West Terre Haute's last frost

04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.

West Terre Haute against the rest of the dataset

At roughly 187 frost-free days, West Terre Haute places 22,412 of 40,283 ZIP codes in this dataset. Within IN, it ranks 310 of 927.

Learn more

Before leaning on 47876's figures: zone vs. frost date explains why Zone 6a and West Terre Haute's frost date answer different questions, while the frost range explains how to read the range around West Terre Haute's dates instead of trusting one.