Waubun, MN 56566 Frost Dates
Waubun, MN: when does the frost end?
The last spring frost here typically falls around 05/07, about 252 days from today. Fall's first freeze usually shows up around 09/28, roughly 143 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Waubun in Zone 3b (-35 to -30°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 4 weeks until Waubun'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
05/07 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.
Waubun against the rest of the dataset
Waubun's growing season runs about 143 days, ranking 36,611 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 681 of 943.
Learn more
Before leaning on 56566's figures: local microclimates explains what one yard in Waubun can differ from the 56566 normal, while zone vs. frost date explains why Zone 3b and Waubun's frost date answer different questions.