Sturtevant, WI 53177 Frost Dates
Sturtevant, WI: when does the frost end?
The last spring frost here typically falls around 05/05, about 250 days from today. Fall's first freeze usually shows up around 10/08, roughly 156 days after the last spring frost.
Sturtevant sits in USDA Zone 5b (-15 to -10°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 6 weeks until Sturtevant's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Sturtevant'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 05/20 and only about 1 year in 10 sees frost after that.
Sturtevant against the rest of the dataset
About 156 days separate Sturtevant's last and first frost, putting it 33,566 of 40,283 ZIP codes nationally. Within WI, it ranks 412 of 860.
Learn more
Before leaning on 53177's figures: the frost range explains how to read the range around Sturtevant's dates instead of trusting one, while local microclimates explains what one yard in Sturtevant can differ from the 53177 normal.