Bagley, WI 53801 Frost Dates
53801, near Bagley, WI: the frost window
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/12, roughly 166 days after the last spring frost.
Bagley 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
Bagley's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Bagley's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Bagley against the rest of the dataset
Bagley's growing season runs about 166 days, ranking 30,441 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 187 of 860.
Learn more
Two guides worth reading on 53801: the frost range, on how to read the range around Bagley's dates instead of trusting one, and local microclimates, on what one yard in Bagley can differ from the 53801 normal.