Hobart, WI 54155 Frost Dates
Frost dates for Hobart, WI, ZIP 54155
Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/11, about 160 frost-free days later.
The USDA Plant Hardiness Zone Map puts Hobart in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 5b around Hobart 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.
The actual range around Hobart's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hobart compares
Hobart's growing season runs about 160 days, ranking 32,266 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 339 of 860.
Learn more
zone vs. frost date explains why Zone 5b and Hobart's frost date answer different questions, and the frost range explains how to read the range around Hobart's dates instead of trusting one.