Winneconne, WI 54903 Frost Dates
Winneconne, WI: when does the frost end?
The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/20, roughly 178 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Winneconne, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Winneconne's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Winneconne's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
Winneconne against the rest of the dataset
Winneconne's growing season runs about 178 days, ranking 25,739 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 50 of 860.
Learn more
Before leaning on 54903's figures: zone vs. frost date explains why Zone 5b and Winneconne's frost date answer different questions, while the frost range explains how to read the range around Winneconne's dates instead of trusting one.