Salem, MA 01945 Frost Dates
01945, near Salem, MA: the frost window
The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/20, roughly 176 days after the last spring frost.
Salem 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
Salem'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 Salem's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Salem against the rest of the dataset
At roughly 176 frost-free days, Salem places 26,364 of 40,283 ZIP codes in this dataset. Within MA, it ranks 299 of 712.
Learn more
Two guides worth reading on 01945: zone vs. frost date, on why Zone 7a and Salem's frost date answer different questions, and the frost range, on how to read the range around Salem's dates instead of trusting one.