Shickshinny, PA 18617 Frost Dates
18617, near Shickshinny, PA: the frost window
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/20, roughly 178 days after the last spring frost.
Zone 6b (-5 to 0°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 Shickshinny, not a forecast for this year.
Stretching the season past the first frost
Shickshinny's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Shickshinny's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Shickshinny against the rest of the dataset
About 178 days separate Shickshinny's last and first frost, putting it 25,860 of 40,283 ZIP codes nationally. Within PA, it ranks 936 of 2,088.
Learn more
Two guides worth reading on 18617: the frost range, on how to read the range around Shickshinny's dates instead of trusting one, and local microclimates, on what one yard in Shickshinny can differ from the 18617 normal.