Patch Grove, WI 53817 Frost Dates
Frost dates for Patch Grove, WI, ZIP 53817
Typically, the last spring freeze lands around 04/28, roughly 243 days out. The first fall frost typically arrives around 10/12, about 166 frost-free days later.
Patch Grove 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.
What to do before the first frost
Zone 5a around Patch Grove 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.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Patch Grove compares
About 166 days separate Patch Grove's last and first frost, putting it 30,456 of 40,283 ZIP codes nationally. Within WI, it ranks 190 of 860.
Learn more
the frost range explains how to read the range around Patch Grove's dates instead of trusting one, and local microclimates explains what one yard in Patch Grove can differ from the 53817 normal.