Raleigh, IL 62965 Frost Dates
Raleigh, IL: when does the frost end?
Around 04/11 is the usual last spring frost, about 226 days away. Fall's first freeze usually shows up around 10/21, roughly 190 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Raleigh in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until Raleigh's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Raleigh's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Raleigh against the rest of the dataset
At roughly 190 frost-free days, Raleigh places 21,298 of 40,283 ZIP codes in this dataset. Within IL, it ranks 537 of 1,548.
Learn more
Before leaning on 62965's figures: local microclimates explains what one yard in Raleigh can differ from the 62965 normal, while zone vs. frost date explains why Zone 7a and Raleigh's frost date answer different questions.