Butler, WI 53224 Frost Dates
When can you plant in Butler, WI?
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/18, about 173 frost-free days later.
The USDA Plant Hardiness Zone Map puts Butler 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
About 7 weeks of growing season left in Butler before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Butler compares
Butler's growing season runs about 173 days, ranking 27,946 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 115 of 860.
Learn more
the frost range covers how to read the range around Butler's dates instead of trusting one. local microclimates covers what one yard in Butler can differ from the 53224 normal.