Brewer, ME 04412 Frost Dates
Frost dates for Brewer, ME, ZIP 04412
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/04, about 152 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brewer in Zone 5a (-20 to -15°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 5a around Brewer 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 Brewer's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brewer compares
Brewer's growing season runs about 152 days, ranking 34,711 of 40,283 US ZIP codes measured here, longest to shortest. Within ME, it ranks 226 of 456.
Learn more
the frost range explains how to read the range around Brewer's dates instead of trusting one, and local microclimates explains what one yard in Brewer can differ from the 04412 normal.