Auburn, ME 04238 Frost Dates
When can you plant in Auburn, ME?
The last spring frost here typically falls around 04/25, about 240 days from today. The first fall frost typically arrives around 10/19, about 177 frost-free days later.
Zone 5b (-15 to -10°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 Auburn, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Auburn before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Auburn's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Auburn compares
At roughly 177 frost-free days, Auburn places 26,036 of 40,283 ZIP codes in this dataset. Within ME, it ranks 27 of 456.
Learn more
local microclimates covers what one yard in Auburn can differ from the 04238 normal. zone vs. frost date covers why Zone 5b and Auburn's frost date answer different questions.