North Muskegon, MI 49445 Frost Dates
North Muskegon, MI: when does the frost end?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. Fall's first freeze usually shows up around 10/19, roughly 170 days after the last spring frost.
North Muskegon 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.
Stretching the season past the first frost
With roughly 7 weeks until North Muskegon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
North Muskegon against the rest of the dataset
At roughly 170 frost-free days, North Muskegon places 29,004 of 40,283 ZIP codes in this dataset. Within MI, it ranks 321 of 1,153.
Learn more
Before leaning on 49445's figures: local microclimates explains what one yard in North Muskegon can differ from the 49445 normal, while zone vs. frost date explains why Zone 6b and North Muskegon's frost date answer different questions.