Melrose, WI 54644 Frost Dates
Frost dates for Melrose, WI, ZIP 54644
Typically, the last spring freeze lands around 05/09, roughly 254 days out. The first fall frost typically arrives around 10/01, about 144 frost-free days later.
Melrose sits in USDA Zone 4b (-25 to -20°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 4b around Melrose has about 5 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
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 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 Melrose compares
At roughly 144 frost-free days, Melrose places 36,438 of 40,283 ZIP codes in this dataset. Within WI, it ranks 680 of 860.
Learn more
the frost range explains how to read the range around Melrose's dates instead of trusting one, and local microclimates explains what one yard in Melrose can differ from the 54644 normal.