Athens, WI 54411 Frost Dates
When can you plant in Athens, WI?
Around 05/11 is the usual last spring frost, about 256 days away. The first fall frost typically arrives around 10/01, about 141 frost-free days later.
Athens 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
About 5 weeks of growing season left in Athens before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Athens compares
About 141 days separate Athens's last and first frost, putting it 36,930 of 40,283 ZIP codes nationally. Within WI, it ranks 707 of 860.
Learn more
zone vs. frost date covers why Zone 4b and Athens's frost date answer different questions. the frost range covers how to read the range around Athens's dates instead of trusting one.