FrostDateCheck

New Canton, IL 63433 Frost Dates

Frost dates for New Canton, IL, ZIP 63433

Zone 6b

The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 11/04, about 212 frost-free days later.

New Canton sits in USDA Zone 6b (-5 to 0°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 6b around New Canton has about 10 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.

How much risk comes with planting early here

04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How New Canton compares

New Canton's growing season runs about 212 days, ranking 14,675 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 32 of 1,548.

Learn more

zone vs. frost date explains why Zone 6b and New Canton's frost date answer different questions, and the frost range explains how to read the range around New Canton's dates instead of trusting one.