North Wales, PA 19424 Frost Dates
North Wales, PA: when does the frost end?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/15, roughly 173 days after the last spring frost.
North Wales sits in USDA Zone 7a (0 to 5°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 7 weeks until North Wales'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 Wales's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
North Wales against the rest of the dataset
At roughly 173 frost-free days, North Wales places 27,896 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,323 of 2,088.
Learn more
Before leaning on 19424's figures: zone vs. frost date explains why Zone 7a and North Wales's frost date answer different questions, while the frost range explains how to read the range around North Wales's dates instead of trusting one.