Neenah, WI 54956 Frost Dates
When can you plant in Neenah, WI?
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.
Neenah 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
About 6 weeks of growing season left in Neenah before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/04 isn't a guarantee
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 Neenah compares
About 154 days separate Neenah's last and first frost, putting it 34,211 of 40,283 ZIP codes nationally. Within WI, it ranks 459 of 860.
Learn more
the frost range covers how to read the range around Neenah's dates instead of trusting one. local microclimates covers what one yard in Neenah can differ from the 54956 normal.