Saco, ME 04072 Frost Dates
Saco, ME: when does the frost end?
The last spring frost here typically falls around 04/26, about 241 days from today. Fall's first freeze usually shows up around 10/15, roughly 170 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Saco in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 7 weeks until Saco's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Saco's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Saco against the rest of the dataset
At roughly 170 frost-free days, Saco places 28,918 of 40,283 ZIP codes in this dataset. Within ME, it ranks 132 of 456.
Learn more
Before leaning on 04072's figures: the frost range explains how to read the range around Saco's dates instead of trusting one, while local microclimates explains what one yard in Saco can differ from the 04072 normal.