Old Town, ME 04493 Frost Dates
When can you plant in Old Town, ME?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/06, about 153 frost-free days later.
Old Town sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 6 weeks of growing season left in Old Town before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Old Town's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Old Town compares
At roughly 153 frost-free days, Old Town places 34,515 of 40,283 ZIP codes in this dataset. Within ME, it ranks 218 of 456.
Learn more
zone vs. frost date covers why Zone 5a and Old Town's frost date answer different questions. the frost range covers how to read the range around Old Town's dates instead of trusting one.