Aredale, IA 50605 Frost Dates
When can you plant in Aredale, IA?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/06, about 157 frost-free days later.
Aredale sits in USDA Zone 5a (-20 to -15°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.
What to do before the first frost
About 6 weeks of growing season left in Aredale 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
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Aredale compares
At roughly 157 frost-free days, Aredale places 33,470 of 40,283 ZIP codes in this dataset. Within IA, it ranks 861 of 1,042.
Learn more
the frost range covers how to read the range around Aredale's dates instead of trusting one. local microclimates covers what one yard in Aredale can differ from the 50605 normal.