North Wales, PA 19484 Frost Dates
19484, near North Wales, PA: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/15, roughly 173 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Wales in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
North Wales's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
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 27,902 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,329 of 2,088.
Learn more
Two guides worth reading on 19484: local microclimates, on what one yard in North Wales can differ from the 19484 normal, and zone vs. frost date, on why Zone 7a and North Wales's frost date answer different questions.