Winthrop Town, MA 02293 Frost Dates
Frost dates for Winthrop Town, MA, ZIP 02293
Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 11/09, about 218 frost-free days later.
Zone 7a (0 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 Winthrop Town, not a forecast for this year.
What to do before the first frost
Zone 7a around Winthrop Town has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winthrop Town compares
About 218 days separate Winthrop Town's last and first frost, putting it 13,226 of 40,283 ZIP codes nationally. Within MA, it ranks 43 of 712.
Learn more
zone vs. frost date explains why Zone 7a and Winthrop Town's frost date answer different questions, and the frost range explains how to read the range around Winthrop Town's dates instead of trusting one.