Hugo, MN 55038 Frost Dates
Hugo, MN: when does the frost end?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/20, roughly 177 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hugo in Zone 4b (-25 to -20°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 8 weeks until Hugo's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hugo's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Hugo against the rest of the dataset
At roughly 177 frost-free days, Hugo places 26,053 of 40,283 ZIP codes in this dataset. Within MN, it ranks 18 of 943.
Learn more
Before leaning on 55038's figures: local microclimates explains what one yard in Hugo can differ from the 55038 normal, while zone vs. frost date explains why Zone 4b and Hugo's frost date answer different questions.