Ellsworth, ME 04635 Frost Dates
Frost dates for Ellsworth, ME, ZIP 04635
The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/22, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ellsworth in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b 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.
The actual range around Ellsworth's last frost
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
At roughly 177 frost-free days, Ellsworth places 26,074 of 40,283 ZIP codes in this dataset. Within ME, it ranks 38 of 456.
Learn more
the frost range explains how to read the range around Ellsworth's dates instead of trusting one, and local microclimates explains what one yard in Ellsworth can differ from the 04635 normal.