Bath, ME 04562 Frost Dates
When can you plant in Bath, ME?
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/21, about 175 frost-free days later.
Bath sits in USDA Zone 6a (-10 to -5°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 8 weeks of growing season left in Bath before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bath compares
About 175 days separate Bath's last and first frost, putting it 26,834 of 40,283 ZIP codes nationally. Within ME, it ranks 58 of 456.
Learn more
local microclimates covers what one yard in Bath can differ from the 04562 normal. zone vs. frost date covers why Zone 6a and Bath's frost date answer different questions.