Ellsworth, ME 04693 Frost Dates
Frost dates for Ellsworth, ME, ZIP 04693
Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/22, about 177 frost-free days later.
Zone 6a (-10 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 Ellsworth, not a forecast for this year.
What to do before the first frost
Zone 6a around Ellsworth 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.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ellsworth compares
About 177 days separate Ellsworth's last and first frost, putting it 26,087 of 40,283 ZIP codes nationally. Within ME, it ranks 51 of 456.
Learn more
zone vs. frost date explains why Zone 6a and Ellsworth's frost date answer different questions, and the frost range explains how to read the range around Ellsworth's dates instead of trusting one.