FrostDateCheck

Calvert City, KY 42029 Frost Dates

Frost dates for Calvert City, KY, ZIP 42029

Zone 7a

The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 10/30, about 207 frost-free days later.

Calvert City 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.

What to do before the first frost

Zone 7a around Calvert City has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Calvert City's last frost

04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Calvert City compares

About 207 days separate Calvert City's last and first frost, putting it 15,830 of 40,283 ZIP codes nationally. Within KY, it ranks 166 of 909.

Learn more

zone vs. frost date explains why Zone 7a and Calvert City's frost date answer different questions, and the frost range explains how to read the range around Calvert City's dates instead of trusting one.