FrostDateCheck

Antigo, WI 54464 Frost Dates

54464, near Antigo, WI: the frost window

Zone 4b

The last spring frost here typically falls around 05/14, about 259 days from today. Fall's first freeze usually shows up around 09/30, roughly 139 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Antigo in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Antigo's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Antigo's last frost

05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.

Antigo against the rest of the dataset

About 139 days separate Antigo's last and first frost, putting it 37,219 of 40,283 ZIP codes nationally. Within WI, it ranks 727 of 860.

Learn more

Two guides worth reading on 54464: zone vs. frost date, on why Zone 4b and Antigo's frost date answer different questions, and the frost range, on how to read the range around Antigo's dates instead of trusting one.