Perryville, MD 21902 Frost Dates
Perryville, MD: when does the frost end?
Typically, the last spring freeze lands around 04/10, roughly 225 days out. Fall's first freeze usually shows up around 10/30, roughly 201 days after the last spring frost.
Perryville sits in USDA Zone 7b (5 to 10°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 9 weeks until Perryville'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
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Perryville against the rest of the dataset
At roughly 201 frost-free days, Perryville places 17,498 of 40,283 ZIP codes in this dataset. Within MD, it ranks 456 of 583.
Learn more
Before leaning on 21902's figures: the frost range explains how to read the range around Perryville's dates instead of trusting one, while local microclimates explains what one yard in Perryville can differ from the 21902 normal.