Brandon, WI 53919 Frost Dates
53919, near Brandon, WI: the frost window
Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/11, roughly 163 days after the last spring frost.
Brandon 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
Brandon'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.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Brandon against the rest of the dataset
About 163 days separate Brandon's last and first frost, putting it 31,482 of 40,283 ZIP codes nationally. Within WI, it ranks 239 of 860.
Learn more
Two guides worth reading on 53919: the frost range, on how to read the range around Brandon's dates instead of trusting one, and local microclimates, on what one yard in Brandon can differ from the 53919 normal.