Oklee, MN 56742 Frost Dates
Oklee, MN: when does the frost end?
The last spring frost here typically falls around 05/09, about 254 days from today. Fall's first freeze usually shows up around 09/30, roughly 142 days after the last spring frost.
Oklee sits in USDA Zone 3b (-35 to -30°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 Oklee'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
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
Oklee against the rest of the dataset
At roughly 142 frost-free days, Oklee places 36,807 of 40,283 ZIP codes in this dataset. Within MN, it ranks 694 of 943.
Learn more
Before leaning on 56742's figures: the frost range explains how to read the range around Oklee's dates instead of trusting one, while local microclimates explains what one yard in Oklee can differ from the 56742 normal.