Black Creek, WI 54106 Frost Dates
Frost dates for Black Creek, WI, ZIP 54106
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/06, about 154 frost-free days later.
The USDA Plant Hardiness Zone Map puts Black Creek 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 Black Creek 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 Black Creek's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Black Creek compares
At roughly 154 frost-free days, Black Creek places 34,352 of 40,283 ZIP codes in this dataset. Within WI, it ranks 485 of 860.
Learn more
local microclimates explains what one yard in Black Creek can differ from the 54106 normal, and zone vs. frost date explains why Zone 5a and Black Creek's frost date answer different questions.