L'Anse, MI 49962 Frost Dates
L'Anse, MI: when does the frost end?
Around 06/01 is the usual last spring frost, about 277 days away. Fall's first freeze usually shows up around 09/23, roughly 115 days after the last spring frost.
L'Anse sits in USDA Zone 5a (-20 to -15°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 4 weeks until L'Anse's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
06/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/17 and only about 1 year in 10 sees frost after that.
L'Anse against the rest of the dataset
At roughly 115 frost-free days, L'Anse places 39,318 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,123 of 1,153.
Learn more
Before leaning on 49962's figures: local microclimates explains what one yard in L'Anse can differ from the 49962 normal, while zone vs. frost date explains why Zone 5a and L'Anse's frost date answer different questions.