Annapolis, MD 21062 Frost Dates
21062, near Annapolis, MD: the frost window
The last spring frost here typically falls around 03/27, about 211 days from today. Fall's first freeze usually shows up around 11/13, roughly 234 days after the last spring frost.
Annapolis sits in USDA Zone 8a (10 to 15°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
Annapolis's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Annapolis against the rest of the dataset
About 234 days separate Annapolis's last and first frost, putting it 9,698 of 40,283 ZIP codes nationally. Within MD, it ranks 65 of 583.
Learn more
Two guides worth reading on 21062: zone vs. frost date, on why Zone 8a and Annapolis's frost date answer different questions, and the frost range, on how to read the range around Annapolis's dates instead of trusting one.