Lake St. Croix Beach, MN 55043 Frost Dates
Lake St. Croix Beach, MN: when does the frost end?
Typically, the last spring freeze lands around 04/22, roughly 237 days out. Fall's first freeze usually shows up around 10/19, roughly 178 days after the last spring frost.
Lake St. Croix Beach 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 7 weeks until Lake St. Croix Beach'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
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Lake St. Croix Beach against the rest of the dataset
At roughly 178 frost-free days, Lake St. Croix Beach places 25,823 of 40,283 ZIP codes in this dataset. Within MN, it ranks 11 of 943.
Learn more
Before leaning on 55043's figures: zone vs. frost date explains why Zone 5a and Lake St. Croix Beach's frost date answer different questions, while the frost range explains how to read the range around Lake St. Croix Beach's dates instead of trusting one.