Shumway, IL 62461 Frost Dates
When can you plant in Shumway, IL?
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/22, about 187 frost-free days later.
Shumway sits in USDA Zone 6b (-5 to 0°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 8 weeks of growing season left in Shumway 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
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Shumway compares
At roughly 187 frost-free days, Shumway places 22,617 of 40,283 ZIP codes in this dataset. Within IL, it ranks 802 of 1,548.
Learn more
local microclimates covers what one yard in Shumway can differ from the 62461 normal. zone vs. frost date covers why Zone 6b and Shumway's frost date answer different questions.