Springfield, MA 01144 Frost Dates
Springfield, MA: when does the frost end?
Typically, the last spring freeze lands around 05/03, roughly 248 days out. Fall's first freeze usually shows up around 10/08, roughly 158 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Springfield 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 Springfield's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Springfield's last frost
05/03 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.
Springfield against the rest of the dataset
At roughly 158 frost-free days, Springfield places 32,860 of 40,283 ZIP codes in this dataset. Within MA, it ranks 549 of 712.
Learn more
Before leaning on 01144's figures: local microclimates explains what one yard in Springfield can differ from the 01144 normal, while zone vs. frost date explains why Zone 6b and Springfield's frost date answer different questions.