Cecil, WI 54111 Frost Dates
When can you plant in Cecil, WI?
Typically, the last spring freeze lands around 05/09, roughly 254 days out. The first fall frost typically arrives around 10/02, about 144 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 Cecil, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Cecil before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Cecil's last frost
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. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cecil compares
At roughly 144 frost-free days, Cecil places 36,435 of 40,283 ZIP codes in this dataset. Within WI, it ranks 677 of 860.
Learn more
zone vs. frost date covers why Zone 5a and Cecil's frost date answer different questions. the frost range covers how to read the range around Cecil's dates instead of trusting one.