Arpin, WI 54410 Frost Dates
Frost dates for Arpin, WI, ZIP 54410
The last spring frost here typically falls around 05/05, about 250 days from today. The first fall frost typically arrives around 10/05, about 150 frost-free days later.
Zone 4b (-25 to -20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Arpin, not a forecast for this year.
What to do before the first frost
Zone 4b around Arpin 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.
The actual range around Arpin's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Arpin compares
At roughly 150 frost-free days, Arpin places 35,406 of 40,283 ZIP codes in this dataset. Within WI, it ranks 586 of 860.
Learn more
local microclimates explains what one yard in Arpin can differ from the 54410 normal, and zone vs. frost date explains why Zone 4b and Arpin's frost date answer different questions.