Red Wing, MN 55089 Frost Dates
Red Wing, MN: when does the frost end?
Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/14, roughly 173 days after the last spring frost.
Red Wing sits in USDA Zone 4b (-25 to -20°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 Red Wing's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Red Wing's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 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.
Red Wing against the rest of the dataset
At roughly 173 frost-free days, Red Wing places 27,807 of 40,283 ZIP codes in this dataset. Within MN, it ranks 74 of 943.
Learn more
Before leaning on 55089's figures: the frost range explains how to read the range around Red Wing's dates instead of trusting one, while local microclimates explains what one yard in Red Wing can differ from the 55089 normal.