Wood River, IL 62024 Frost Dates
Wood River, IL: when does the frost end?
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 11/05, roughly 214 days after the last spring frost.
Wood River sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 10 weeks until Wood River'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
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Wood River against the rest of the dataset
Wood River's growing season runs about 214 days, ranking 14,236 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 12 of 1,548.
Learn more
Before leaning on 62024's figures: zone vs. frost date explains why Zone 7a and Wood River's frost date answer different questions, while the frost range explains how to read the range around Wood River's dates instead of trusting one.