FrostDateCheck

West York, PA 17404 Frost Dates

Frost dates for West York, PA, ZIP 17404

Zone 7a

The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/19, about 177 frost-free days later.

Zone 7a (0 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 West York, not a forecast for this year.

What to do before the first frost

Zone 7a around West York has about 7 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 West York's last frost

04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How West York compares

About 177 days separate West York's last and first frost, putting it 26,104 of 40,283 ZIP codes nationally. Within PA, it ranks 946 of 2,088.

Learn more

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