Gloucester, MA 01966 Frost Dates
Gloucester, MA: when does the frost end?
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/12, roughly 160 days after the last spring frost.
Gloucester sits in USDA Zone 7a (0 to 5°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
With roughly 6 weeks until Gloucester's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Gloucester's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 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.
Gloucester against the rest of the dataset
Gloucester's growing season runs about 160 days, ranking 32,250 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 537 of 712.
Learn more
Before leaning on 01966's figures: local microclimates explains what one yard in Gloucester can differ from the 01966 normal, while zone vs. frost date explains why Zone 7a and Gloucester's frost date answer different questions.