West City, IL 62840 Frost Dates
When can you plant in West City, IL?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. The first fall frost typically arrives around 10/28, about 206 frost-free days later.
West City sits in USDA Zone 7a (0 to 5°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 9 weeks of growing season left in West City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around West City's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How West City compares
At roughly 206 frost-free days, West City places 16,089 of 40,283 ZIP codes in this dataset. Within IL, it ranks 96 of 1,548.
Learn more
local microclimates covers what one yard in West City can differ from the 62840 normal. zone vs. frost date covers why Zone 7a and West City's frost date answer different questions.