Valier, IL 62891 Frost Dates
Frost dates for Valier, IL, ZIP 62891
The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 10/27, about 204 frost-free days later.
The USDA Plant Hardiness Zone Map puts Valier 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 Valier 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 Valier's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Valier compares
About 204 days separate Valier's last and first frost, putting it 16,714 of 40,283 ZIP codes nationally. Within IL, it ranks 135 of 1,548.
Learn more
zone vs. frost date explains why Zone 7a and Valier's frost date answer different questions, and the frost range explains how to read the range around Valier's dates instead of trusting one.