Hampstead, MD 21020 Frost Dates
Hampstead, MD: when does the frost end?
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/25, roughly 188 days after the last spring frost.
Hampstead 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 Hampstead's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hampstead's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
Hampstead against the rest of the dataset
About 188 days separate Hampstead's last and first frost, putting it 21,974 of 40,283 ZIP codes nationally. Within MD, it ranks 528 of 583.
Learn more
Before leaning on 21020's figures: zone vs. frost date explains why Zone 7a and Hampstead's frost date answer different questions, while the frost range explains how to read the range around Hampstead's dates instead of trusting one.