Amesbury, MA 03844 Frost Dates
03844, near Amesbury, MA: the frost window
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/08, roughly 157 days after the last spring frost.
Amesbury 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
Amesbury'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.
The actual range around Amesbury's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Amesbury against the rest of the dataset
Amesbury's growing season runs about 157 days, ranking 33,250 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 598 of 712.
Learn more
Two guides worth reading on 03844: zone vs. frost date, on why Zone 6b and Amesbury's frost date answer different questions, and the frost range, on how to read the range around Amesbury's dates instead of trusting one.