West Leechburg, PA 15656 Frost Dates
15656, near West Leechburg, PA: the frost window
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 11/02, roughly 199 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 West Leechburg, not a forecast for this year.
Stretching the season past the first frost
West Leechburg's growing season runs out in roughly 9 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 West Leechburg's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
West Leechburg against the rest of the dataset
At roughly 199 frost-free days, West Leechburg places 18,153 of 40,283 ZIP codes in this dataset. Within PA, it ranks 310 of 2,088.
Learn more
Two guides worth reading on 15656: local microclimates, on what one yard in West Leechburg can differ from the 15656 normal, and zone vs. frost date, on why Zone 6b and West Leechburg's frost date answer different questions.