Le Sueur, MN 56058 Frost Dates
Le Sueur, MN: when does the frost end?
Typically, the last spring freeze lands around 05/02, roughly 247 days out. Fall's first freeze usually shows up around 10/04, roughly 153 days after the last spring frost.
Le Sueur sits in USDA Zone 4b (-25 to -20°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 5 weeks until Le Sueur'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
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Le Sueur against the rest of the dataset
At roughly 153 frost-free days, Le Sueur places 34,531 of 40,283 ZIP codes in this dataset. Within MN, it ranks 408 of 943.
Learn more
Before leaning on 56058's figures: the frost range explains how to read the range around Le Sueur's dates instead of trusting one, while local microclimates explains what one yard in Le Sueur can differ from the 56058 normal.