FrostDateCheck

Monongahela, PA 15063 Frost Dates

Monongahela, PA: when does the frost end?

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.

Monongahela 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 Monongahela's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Monongahela'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.

Monongahela against the rest of the dataset

Monongahela's growing season runs about 170 days, ranking 29,005 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,470 of 2,088.

Learn more

Before leaning on 15063's figures: the frost range explains how to read the range around Monongahela's dates instead of trusting one, while local microclimates explains what one yard in Monongahela can differ from the 15063 normal.