Reynolds, IL 61279 Frost Dates
Frost dates for Reynolds, IL, ZIP 61279
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/19, about 181 frost-free days later.
The USDA Plant Hardiness Zone Map puts Reynolds in Zone 5b (-15 to -10°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 5b around Reynolds has about 7 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.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Reynolds compares
At roughly 181 frost-free days, Reynolds places 24,690 of 40,283 ZIP codes in this dataset. Within IL, it ranks 936 of 1,548.
Learn more
local microclimates explains what one yard in Reynolds can differ from the 61279 normal, and zone vs. frost date explains why Zone 5b and Reynolds's frost date answer different questions.