Pittsfield, MA 01266 Frost Dates
Pittsfield, MA: when does the frost end?
Around 05/07 is the usual last spring frost, about 252 days away. Fall's first freeze usually shows up around 10/03, roughly 147 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Pittsfield in Zone 5b (-15 to -10°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 5 weeks until Pittsfield'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
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Pittsfield against the rest of the dataset
At roughly 147 frost-free days, Pittsfield places 35,850 of 40,283 ZIP codes in this dataset. Within MA, it ranks 676 of 712.
Learn more
Before leaning on 01266's figures: zone vs. frost date explains why Zone 5b and Pittsfield's frost date answer different questions, while the frost range explains how to read the range around Pittsfield's dates instead of trusting one.