Johnson Creek, WI 53038 Frost Dates
53038, near Johnson Creek, WI: the frost window
The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/18, roughly 173 days after the last spring frost.
Johnson 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
Johnson Creek's growing season runs out in roughly 7 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 Johnson Creek's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Johnson Creek against the rest of the dataset
About 173 days separate Johnson Creek's last and first frost, putting it 27,905 of 40,283 ZIP codes nationally. Within WI, it ranks 113 of 860.
Learn more
Two guides worth reading on 53038: local microclimates, on what one yard in Johnson Creek can differ from the 53038 normal, and zone vs. frost date, on why Zone 5b and Johnson Creek's frost date answer different questions.