Winneconne, WI 54957 Frost Dates
Frost dates for Winneconne, WI, ZIP 54957
Around 05/04 is the usual last spring frost, about 249 days away. The first fall frost typically arrives around 10/06, about 153 frost-free days later.
Winneconne 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.
What to do before the first frost
Zone 5b around Winneconne has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Winneconne's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winneconne compares
At roughly 153 frost-free days, Winneconne places 34,541 of 40,283 ZIP codes in this dataset. Within WI, it ranks 506 of 860.
Learn more
zone vs. frost date explains why Zone 5b and Winneconne's frost date answer different questions, and the frost range explains how to read the range around Winneconne's dates instead of trusting one.