Robinson, IL 62454 Frost Dates
Frost dates for Robinson, IL, ZIP 62454
The last spring frost here typically falls around 04/12, about 227 days from today. The first fall frost typically arrives around 10/22, about 193 frost-free days later.
Robinson 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 Robinson has about 8 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 Robinson's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Robinson compares
About 193 days separate Robinson's last and first frost, putting it 19,831 of 40,283 ZIP codes nationally. Within IL, it ranks 395 of 1,548.
Learn more
the frost range explains how to read the range around Robinson's dates instead of trusting one, and local microclimates explains what one yard in Robinson can differ from the 62454 normal.