North Belle Vernon, PA 15012 Frost Dates
North Belle Vernon, PA: when does the frost end?
Typically, the last spring freeze lands around 05/02, roughly 247 days out. 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
With roughly 8 weeks until North Belle Vernon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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
North Belle Vernon's growing season runs about 170 days, ranking 29,064 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,486 of 2,088.
Learn more
Before leaning on 15012's figures: local microclimates explains what one yard in North Belle Vernon can differ from the 15012 normal, while zone vs. frost date explains why Zone 6b and North Belle Vernon's frost date answer different questions.