Winthrop Town, MA 02133 Frost Dates
Winthrop Town, MA: when does the frost end?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 11/09, roughly 218 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Winthrop Town in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Winthrop Town's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Winthrop Town's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Winthrop Town against the rest of the dataset
About 218 days separate Winthrop Town's last and first frost, putting it 13,214 of 40,283 ZIP codes nationally. Within MA, it ranks 31 of 712.
Learn more
Before leaning on 02133's figures: zone vs. frost date explains why Zone 7a and Winthrop Town's frost date answer different questions, while the frost range explains how to read the range around Winthrop Town's dates instead of trusting one.