Ina, IL 62846 Frost Dates
Ina, IL: when does the frost end?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 10/28, roughly 206 days after the last spring frost.
Zone 6b (-5 to 0°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 Ina, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Ina's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ina's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Ina against the rest of the dataset
At roughly 206 frost-free days, Ina places 16,045 of 40,283 ZIP codes in this dataset. Within IL, it ranks 94 of 1,548.
Learn more
Before leaning on 62846's figures: the frost range explains how to read the range around Ina's dates instead of trusting one, while local microclimates explains what one yard in Ina can differ from the 62846 normal.