FrostDateCheck

North Belle Vernon, PA 15072 Frost Dates

15072, near North Belle Vernon, PA: the frost window

Zone 6b

The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/20, roughly 170 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 North Belle Vernon, not a forecast for this year.

Stretching the season past the first frost

North Belle Vernon'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 North Belle Vernon's last frost

05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.

North Belle Vernon against the rest of the dataset

At roughly 170 frost-free days, North Belle Vernon places 29,065 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,487 of 2,088.

Learn more

Two guides worth reading on 15072: local microclimates, on what one yard in North Belle Vernon can differ from the 15072 normal, and zone vs. frost date, on why Zone 6b and North Belle Vernon's frost date answer different questions.