Avondale, PA 19311 Frost Dates
Frost dates for Avondale, PA, ZIP 19311
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.
Avondale 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 Avondale 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.
How much risk comes with planting early here
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 Avondale compares
At roughly 189 frost-free days, Avondale places 21,631 of 40,283 ZIP codes in this dataset. Within PA, it ranks 570 of 2,088.
Learn more
zone vs. frost date explains why Zone 7a and Avondale's frost date answer different questions, and the frost range explains how to read the range around Avondale's dates instead of trusting one.