Lynn, MA 01910 Frost Dates
Frost dates for Lynn, MA, ZIP 01910
Typically, the last spring freeze lands around 04/25, roughly 240 days out. The first fall frost typically arrives around 10/20, about 176 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 Lynn, not a forecast for this year.
What to do before the first frost
Zone 7a around Lynn has about 8 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.
The actual range around Lynn's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lynn compares
At roughly 176 frost-free days, Lynn places 26,328 of 40,283 ZIP codes in this dataset. Within MA, it ranks 296 of 712.
Learn more
zone vs. frost date explains why Zone 7a and Lynn's frost date answer different questions, and the frost range explains how to read the range around Lynn's dates instead of trusting one.