Waconia, MN 55554 Frost Dates
Waconia, MN: when does the frost end?
Typically, the last spring freeze lands around 05/05, roughly 250 days out. Fall's first freeze usually shows up around 10/05, roughly 151 days after the last spring frost.
Waconia 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 5 weeks until Waconia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Waconia's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Waconia against the rest of the dataset
At roughly 151 frost-free days, Waconia places 34,963 of 40,283 ZIP codes in this dataset. Within MN, it ranks 483 of 943.
Learn more
Before leaning on 55554's figures: the frost range explains how to read the range around Waconia's dates instead of trusting one, while local microclimates explains what one yard in Waconia can differ from the 55554 normal.