Poynette, WI 53955 Frost Dates
Poynette, WI: when does the frost end?
Typically, the last spring freeze lands around 05/04, roughly 249 days out. Fall's first freeze usually shows up around 10/06, roughly 154 days after the last spring frost.
Poynette sits in USDA Zone 5a (-20 to -15°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 Poynette's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Poynette against the rest of the dataset
Poynette's growing season runs about 154 days, ranking 34,326 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 481 of 860.
Learn more
Before leaning on 53955's figures: the frost range explains how to read the range around Poynette's dates instead of trusting one, while local microclimates explains what one yard in Poynette can differ from the 53955 normal.