Okabena, MN 56161 Frost Dates
Okabena, 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 10/02, roughly 153 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Okabena in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 5 weeks until Okabena's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Okabena's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Okabena against the rest of the dataset
At roughly 153 frost-free days, Okabena places 34,642 of 40,283 ZIP codes in this dataset. Within MN, it ranks 430 of 943.
Learn more
Before leaning on 56161's figures: zone vs. frost date explains why Zone 5a and Okabena's frost date answer different questions, while the frost range explains how to read the range around Okabena's dates instead of trusting one.