Bellevue, WI 54311 Frost Dates
Frost dates for Bellevue, WI, ZIP 54311
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/09, about 154 frost-free days later.
Bellevue sits in USDA Zone 5b (-15 to -10°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
Zone 5b around Bellevue 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.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bellevue compares
Bellevue's growing season runs about 154 days, ranking 34,231 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 466 of 860.
Learn more
zone vs. frost date explains why Zone 5b and Bellevue's frost date answer different questions, and the frost range explains how to read the range around Bellevue's dates instead of trusting one.