FrostDateCheck

Emmitsburg, MD 21727 Frost Dates

Emmitsburg, MD: when does the frost end?

Zone 7a

Around 04/22 is the usual last spring frost, about 237 days away. Fall's first freeze usually shows up around 10/20, roughly 179 days after the last spring frost.

Emmitsburg 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 8 weeks until Emmitsburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Emmitsburg's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 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.

Emmitsburg against the rest of the dataset

At roughly 179 frost-free days, Emmitsburg places 25,310 of 40,283 ZIP codes in this dataset. Within MD, it ranks 548 of 583.

Learn more

Before leaning on 21727's figures: local microclimates explains what one yard in Emmitsburg can differ from the 21727 normal, while zone vs. frost date explains why Zone 7a and Emmitsburg's frost date answer different questions.