Bridgewater Town, MA 02338 Frost Dates
02338, near Bridgewater Town, MA: the frost window
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.
Bridgewater 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
Bridgewater Town's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/01 isn't a guarantee
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 05/15 and only about 1 year in 10 sees frost after that.
Bridgewater Town against the rest of the dataset
Bridgewater Town's growing season runs about 161 days, ranking 31,968 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 492 of 712.
Learn more
Two guides worth reading on 02338: the frost range, on how to read the range around Bridgewater Town's dates instead of trusting one, and local microclimates, on what one yard in Bridgewater Town can differ from the 02338 normal.