Randolph Town, MA 02187 Frost Dates
02187, near Randolph Town, MA: the frost window
Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 10/26, roughly 190 days after the last spring frost.
Randolph Town sits in USDA Zone 6b (-5 to 0°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
Randolph Town's growing season runs out in roughly 8 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
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Randolph Town against the rest of the dataset
Randolph Town's growing season runs about 190 days, ranking 21,041 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 138 of 712.
Learn more
Two guides worth reading on 02187: local microclimates, on what one yard in Randolph Town can differ from the 02187 normal, and zone vs. frost date, on why Zone 6b and Randolph Town's frost date answer different questions.