Kingston, PA 18773 Frost Dates
Frost dates for Kingston, PA, ZIP 18773
Typically, the last spring freeze lands around 04/23, roughly 238 days out. The first fall frost typically arrives around 10/20, about 178 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 Kingston, not a forecast for this year.
What to do before the first frost
Zone 7a around Kingston 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
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingston compares
Kingston's growing season runs about 178 days, ranking 25,640 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 891 of 2,088.
Learn more
zone vs. frost date explains why Zone 7a and Kingston's frost date answer different questions, and the frost range explains how to read the range around Kingston's dates instead of trusting one.