FrostDateCheck

Southbridge Town, MA 06277 Frost Dates

Southbridge Town, MA: when does the frost end?

Zone 6b

The last spring frost here typically falls around 05/01, about 246 days from today. Fall's first freeze usually shows up around 10/09, roughly 161 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Southbridge Town in Zone 6b (-5 to 0°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 6 weeks until Southbridge 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 Southbridge Town's last frost

05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.

Southbridge Town against the rest of the dataset

About 161 days separate Southbridge Town's last and first frost, putting it 31,981 of 40,283 ZIP codes nationally. Within MA, it ranks 501 of 712.

Learn more

Before leaning on 06277's figures: the frost range explains how to read the range around Southbridge Town's dates instead of trusting one, while local microclimates explains what one yard in Southbridge Town can differ from the 06277 normal.