FrostDateCheck

Carmel, IN 46032 Frost Dates

Frost dates for Carmel, IN, ZIP 46032

Zone 6a

The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/26, about 190 frost-free days later.

Zone 6a (-10 to -5°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 Carmel, not a forecast for this year.

What to do before the first frost

Zone 6a around Carmel has about 8 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

04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Carmel compares

Carmel's growing season runs about 190 days, ranking 20,972 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 248 of 927.

Learn more

the frost range explains how to read the range around Carmel's dates instead of trusting one, and local microclimates explains what one yard in Carmel can differ from the 46032 normal.