FrostDateCheck

Newark, DE 19360 Frost Dates

Frost dates for Newark, DE, ZIP 19360

Zone 7a

Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/26, about 189 frost-free days later.

Newark 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 Newark 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.

The actual range around Newark's last frost

04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Newark compares

At roughly 189 frost-free days, Newark places 21,411 of 40,283 ZIP codes in this dataset. Within DE, it ranks 96 of 96.

Learn more

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