Rantoul, KS 66079 Frost Dates
Rantoul, KS: when does the frost end?
Around 04/14 is the usual last spring frost, about 229 days away. Fall's first freeze usually shows up around 10/25, roughly 192 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Rantoul in Zone 6b (-5 to 0°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 Rantoul's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Rantoul's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Rantoul against the rest of the dataset
About 192 days separate Rantoul's last and first frost, putting it 20,581 of 40,283 ZIP codes nationally. Within KS, it ranks 266 of 745.
Learn more
Before leaning on 66079's figures: zone vs. frost date explains why Zone 6b and Rantoul's frost date answer different questions, while the frost range explains how to read the range around Rantoul's dates instead of trusting one.