Malvern, PA 19432 Frost Dates
19432, near Malvern, PA: the frost window
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/27, roughly 192 days after the last spring frost.
Malvern 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
Malvern's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Malvern against the rest of the dataset
Malvern's growing season runs about 192 days, ranking 20,329 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 524 of 2,088.
Learn more
Two guides worth reading on 19432: the frost range, on how to read the range around Malvern's dates instead of trusting one, and local microclimates, on what one yard in Malvern can differ from the 19432 normal.