Presque Isle, ME 04780 Frost Dates
Frost dates for Presque Isle, ME, ZIP 04780
Around 05/13 is the usual last spring frost, about 258 days away. The first fall frost typically arrives around 09/30, about 138 frost-free days later.
The USDA Plant Hardiness Zone Map puts Presque Isle in Zone 4b (-25 to -20°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 4b around Presque Isle has about 5 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 Presque Isle's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 05/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Presque Isle compares
At roughly 138 frost-free days, Presque Isle places 37,371 of 40,283 ZIP codes in this dataset. Within ME, it ranks 371 of 456.
Learn more
the frost range explains how to read the range around Presque Isle's dates instead of trusting one, and local microclimates explains what one yard in Presque Isle can differ from the 04780 normal.