Jenkintown, PA 19046 Frost Dates
Frost dates for Jenkintown, PA, ZIP 19046
The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 11/07, about 216 frost-free days later.
Zone 7b (5 to 10°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 Jenkintown, not a forecast for this year.
What to do before the first frost
Zone 7b around Jenkintown has about 10 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
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jenkintown compares
Jenkintown's growing season runs about 216 days, ranking 13,773 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 61 of 2,088.
Learn more
zone vs. frost date explains why Zone 7b and Jenkintown's frost date answer different questions, and the frost range explains how to read the range around Jenkintown's dates instead of trusting one.