Bell Center, WI 54631 Frost Dates
Frost dates for Bell Center, WI, ZIP 54631
The last spring frost here typically falls around 05/03, about 248 days from today. The first fall frost typically arrives around 10/07, about 156 frost-free days later.
The USDA Plant Hardiness Zone Map puts Bell Center in Zone 5a (-20 to -15°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 5a around Bell Center 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.
Why 05/03 isn't a guarantee
05/03 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. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bell Center compares
Bell Center's growing season runs about 156 days, ranking 33,880 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 433 of 860.
Learn more
zone vs. frost date explains why Zone 5a and Bell Center's frost date answer different questions, and the frost range explains how to read the range around Bell Center's dates instead of trusting one.