Amesbury, MA 03044 Frost Dates
03044, near Amesbury, MA: the frost window
Around 05/07 is the usual last spring frost, about 252 days away. Fall's first freeze usually shows up around 10/04, roughly 148 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Amesbury, not a forecast for this year.
Stretching the season past the first frost
Amesbury's growing season runs out in roughly 5 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
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 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.
Amesbury against the rest of the dataset
At roughly 148 frost-free days, Amesbury places 35,675 of 40,283 ZIP codes in this dataset. Within MA, it ranks 659 of 712.
Learn more
Two guides worth reading on 03044: the frost range, on how to read the range around Amesbury's dates instead of trusting one, and local microclimates, on what one yard in Amesbury can differ from the 03044 normal.