Chesapeake Beach, MD 20736 Frost Dates
Chesapeake Beach, MD: when does the frost end?
Around 04/09 is the usual last spring frost, about 224 days away. Fall's first freeze usually shows up around 10/29, roughly 203 days after the last spring frost.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Chesapeake Beach, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Chesapeake Beach'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
04/09 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 04/24 and only about 1 year in 10 sees frost after that.
Chesapeake Beach against the rest of the dataset
Chesapeake Beach's growing season runs about 203 days, ranking 16,885 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 376 of 583.
Learn more
Before leaning on 20736's figures: the frost range explains how to read the range around Chesapeake Beach's dates instead of trusting one, while local microclimates explains what one yard in Chesapeake Beach can differ from the 20736 normal.