FrostDateCheck

Barnstable Town, MA 02358 Frost Dates

02358, near Barnstable Town, MA: the frost window

Zone 6b

Typically, the last spring freeze lands around 04/21, roughly 236 days out. Fall's first freeze usually shows up around 10/24, roughly 186 days after the last spring frost.

Barnstable 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

Barnstable 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.

The actual range around Barnstable Town's last frost

04/21 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 05/03 and only about 1 year in 10 sees frost after that.

Barnstable Town against the rest of the dataset

Barnstable Town's growing season runs about 186 days, ranking 22,704 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 157 of 712.

Learn more

Two guides worth reading on 02358: zone vs. frost date, on why Zone 6b and Barnstable Town's frost date answer different questions, and the frost range, on how to read the range around Barnstable Town's dates instead of trusting one.