Carmi, IL 62821 Frost Dates
When can you plant in Carmi, IL?
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/19, about 183 frost-free days later.
Zone 7a (0 to 5°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 Carmi, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Carmi before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Carmi's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Carmi compares
Carmi's growing season runs about 183 days, ranking 23,852 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 886 of 1,548.
Learn more
local microclimates covers what one yard in Carmi can differ from the 62821 normal. zone vs. frost date covers why Zone 7a and Carmi's frost date answer different questions.