Uniontown, PA 15489 Frost Dates
Uniontown, PA: when does the frost end?
The last spring frost here typically falls around 04/28, about 243 days from today. Fall's first freeze usually shows up around 10/21, roughly 175 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 Uniontown, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Uniontown's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Uniontown against the rest of the dataset
Uniontown's growing season runs about 175 days, ranking 26,820 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,122 of 2,088.
Learn more
Before leaning on 15489's figures: the frost range explains how to read the range around Uniontown's dates instead of trusting one, while local microclimates explains what one yard in Uniontown can differ from the 15489 normal.