Rosholt, WI 54473 Frost Dates
Frost dates for Rosholt, WI, ZIP 54473
Around 05/06 is the usual last spring frost, about 251 days away. The first fall frost typically arrives around 10/05, about 150 frost-free days later.
Rosholt sits in USDA Zone 4b (-25 to -20°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 4b around Rosholt has about 5 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.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rosholt compares
At roughly 150 frost-free days, Rosholt places 35,377 of 40,283 ZIP codes in this dataset. Within WI, it ranks 583 of 860.
Learn more
zone vs. frost date explains why Zone 4b and Rosholt's frost date answer different questions, and the frost range explains how to read the range around Rosholt's dates instead of trusting one.