FrostDateCheck

Snow Hill, MD 21829 Frost Dates

Frost dates for Snow Hill, MD, ZIP 21829

Zone 7b

The last spring frost here typically falls around 04/10, about 225 days from today. The first fall frost typically arrives around 10/31, about 202 frost-free days later.

Zone 7b (5 to 10°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 Snow Hill, not a forecast for this year.

What to do before the first frost

Zone 7b around Snow Hill 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.

How much risk comes with planting early here

04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Snow Hill compares

About 202 days separate Snow Hill's last and first frost, putting it 17,256 of 40,283 ZIP codes nationally. Within MD, it ranks 426 of 583.

Learn more

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