Cuba City, WI 53807 Frost Dates
When can you plant in Cuba City, WI?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/13, about 166 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Cuba City, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Cuba City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cuba City compares
About 166 days separate Cuba City's last and first frost, putting it 30,387 of 40,283 ZIP codes nationally. Within WI, it ranks 180 of 860.
Learn more
local microclimates covers what one yard in Cuba City can differ from the 53807 normal. zone vs. frost date covers why Zone 5a and Cuba City's frost date answer different questions.