Parker, PA 16049 Frost Dates
Frost dates for Parker, PA, ZIP 16049
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/12, about 155 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 Parker, not a forecast for this year.
What to do before the first frost
Zone 6a around Parker has about 6 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
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Parker compares
About 155 days separate Parker's last and first frost, putting it 34,069 of 40,283 ZIP codes nationally. Within PA, it ranks 1,806 of 2,088.
Learn more
zone vs. frost date explains why Zone 6a and Parker's frost date answer different questions, and the frost range explains how to read the range around Parker's dates instead of trusting one.