Tilden, IL 62292 Frost Dates
Frost dates for Tilden, IL, ZIP 62292
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/22, about 191 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tilden 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 Tilden 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 Tilden'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 Tilden compares
About 191 days separate Tilden's last and first frost, putting it 20,853 of 40,283 ZIP codes nationally. Within IL, it ranks 458 of 1,548.
Learn more
local microclimates explains what one yard in Tilden can differ from the 62292 normal, and zone vs. frost date explains why Zone 7a and Tilden's frost date answer different questions.