Aberdeen, MD 21005 Frost Dates
Aberdeen, MD: when does the frost end?
The last spring frost here typically falls around 04/10, about 225 days from today. Fall's first freeze usually shows up around 10/30, roughly 201 days after the last spring frost.
Aberdeen 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 Aberdeen's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/10 isn't a guarantee
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.
Aberdeen against the rest of the dataset
At roughly 201 frost-free days, Aberdeen places 17,455 of 40,283 ZIP codes in this dataset. Within MD, it ranks 442 of 583.
Learn more
Before leaning on 21005's figures: local microclimates explains what one yard in Aberdeen can differ from the 21005 normal, while zone vs. frost date explains why Zone 7b and Aberdeen's frost date answer different questions.