Okawville, IL 62214 Frost Dates
When can you plant in Okawville, IL?
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 10/26, about 201 frost-free days later.
The USDA Plant Hardiness Zone Map puts Okawville in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Okawville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Okawville's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Okawville compares
About 201 days separate Okawville's last and first frost, putting it 17,563 of 40,283 ZIP codes nationally. Within IL, it ranks 255 of 1,548.
Learn more
local microclimates covers what one yard in Okawville can differ from the 62214 normal. zone vs. frost date covers why Zone 6b and Okawville's frost date answer different questions.