Davis Junction, IL 61020 Frost Dates
When can you plant in Davis Junction, IL?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/17, about 174 frost-free days later.
Zone 5b (-15 to -10°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 Davis Junction, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Davis Junction before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Davis Junction compares
About 174 days separate Davis Junction's last and first frost, putting it 27,490 of 40,283 ZIP codes nationally. Within IL, it ranks 1,245 of 1,548.
Learn more
local microclimates covers what one yard in Davis Junction can differ from the 61020 normal. zone vs. frost date covers why Zone 5b and Davis Junction's frost date answer different questions.