Elsah, IL 62022 Frost Dates
Frost dates for Elsah, IL, ZIP 62022
Typically, the last spring freeze lands around 04/05, roughly 220 days out. The first fall frost typically arrives around 10/27, about 203 frost-free days later.
Elsah 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
Zone 6b around Elsah has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Elsah's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 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 Elsah compares
At roughly 203 frost-free days, Elsah places 17,017 of 40,283 ZIP codes in this dataset. Within IL, it ranks 171 of 1,548.
Learn more
local microclimates explains what one yard in Elsah can differ from the 62022 normal, and zone vs. frost date explains why Zone 6b and Elsah's frost date answer different questions.