Wheeler, IL 62479 Frost Dates
Wheeler, IL: when does the frost end?
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/22, roughly 190 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wheeler in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until Wheeler's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Wheeler's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Wheeler against the rest of the dataset
About 190 days separate Wheeler's last and first frost, putting it 21,343 of 40,283 ZIP codes nationally. Within IL, it ranks 559 of 1,548.
Learn more
Before leaning on 62479's figures: zone vs. frost date explains why Zone 6b and Wheeler's frost date answer different questions, while the frost range explains how to read the range around Wheeler's dates instead of trusting one.