Montague, MI 49443 Frost Dates
When can you plant in Montague, MI?
Typically, the last spring freeze lands around 05/19, roughly 264 days out. The first fall frost typically arrives around 10/04, about 136 frost-free days later.
Montague sits in USDA Zone 6b (-5 to 0°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 5 weeks of growing season left in Montague before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/19 isn't a guarantee
05/19 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montague compares
Montague's growing season runs about 136 days, ranking 37,691 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 950 of 1,153.
Learn more
zone vs. frost date covers why Zone 6b and Montague's frost date answer different questions. the frost range covers how to read the range around Montague's dates instead of trusting one.