Baldwin, IL 62217 Frost Dates
Frost dates for Baldwin, IL, ZIP 62217
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 191 frost-free days later.
The USDA Plant Hardiness Zone Map puts Baldwin in Zone 7a (0 to 5°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
Zone 7a around Baldwin 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 Baldwin's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Baldwin compares
Baldwin's growing season runs about 191 days, ranking 20,912 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 472 of 1,548.
Learn more
zone vs. frost date explains why Zone 7a and Baldwin's frost date answer different questions, and the frost range explains how to read the range around Baldwin's dates instead of trusting one.