FrostDateCheck

Campbellsville, KY 42758 Frost Dates

42758, near Campbellsville, KY: the frost window

Zone 7a

Around 04/22 is the usual last spring frost, about 237 days away. Fall's first freeze usually shows up around 10/20, roughly 180 days after the last spring frost.

Campbellsville sits in USDA Zone 7a (0 to 5°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

Campbellsville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Campbellsville's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.

Campbellsville against the rest of the dataset

Campbellsville's growing season runs about 180 days, ranking 24,812 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 789 of 909.

Learn more

Two guides worth reading on 42758: zone vs. frost date, on why Zone 7a and Campbellsville's frost date answer different questions, and the frost range, on how to read the range around Campbellsville's dates instead of trusting one.