Mount Carmel, PA 17851 Frost Dates
Mount Carmel, PA: when does the frost end?
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/20, roughly 172 days after the last spring frost.
Mount Carmel sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Mount Carmel'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
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Mount Carmel against the rest of the dataset
Mount Carmel's growing season runs about 172 days, ranking 28,269 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,350 of 2,088.
Learn more
Before leaning on 17851's figures: local microclimates explains what one yard in Mount Carmel can differ from the 17851 normal, while zone vs. frost date explains why Zone 6b and Mount Carmel's frost date answer different questions.