Black Creek, WI 54912 Frost Dates
54912, near Black Creek, WI: the frost window
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/06, roughly 154 days after the last spring frost.
Black Creek 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
Black Creek'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 Black Creek's last frost
05/04 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.
Black Creek against the rest of the dataset
At roughly 154 frost-free days, Black Creek places 34,354 of 40,283 ZIP codes in this dataset. Within WI, it ranks 487 of 860.
Learn more
Two guides worth reading on 54912: the frost range, on how to read the range around Black Creek's dates instead of trusting one, and local microclimates, on what one yard in Black Creek can differ from the 54912 normal.