FrostDateCheck

Doylestown, PA 19058 Frost Dates

Frost dates for Doylestown, PA, ZIP 19058

Zone 7a

The last spring frost here typically falls around 04/13, about 228 days from today. The first fall frost typically arrives around 10/30, about 198 frost-free days later.

Doylestown 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 Doylestown 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.

Why 04/13 isn't a guarantee

04/13 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. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Doylestown compares

About 198 days separate Doylestown's last and first frost, putting it 18,417 of 40,283 ZIP codes nationally. Within PA, it ranks 345 of 2,088.

Learn more

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