West Peoria, IL 61605 Frost Dates
West Peoria, IL: when does the frost end?
The last spring frost here typically falls around 04/16, about 231 days from today. Fall's first freeze usually shows up around 10/23, roughly 189 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for West Peoria, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until West Peoria's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
West Peoria against the rest of the dataset
At roughly 189 frost-free days, West Peoria places 21,563 of 40,283 ZIP codes in this dataset. Within IL, it ranks 595 of 1,548.
Learn more
Before leaning on 61605's figures: the frost range explains how to read the range around West Peoria's dates instead of trusting one, while local microclimates explains what one yard in West Peoria can differ from the 61605 normal.