Batavia, IA 52533 Frost Dates
Frost dates for Batavia, IA, ZIP 52533
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/12, about 168 frost-free days later.
The USDA Plant Hardiness Zone Map puts Batavia in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 5b around Batavia has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 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 Batavia compares
About 168 days separate Batavia's last and first frost, putting it 29,770 of 40,283 ZIP codes nationally. Within IA, it ranks 388 of 1,042.
Learn more
the frost range explains how to read the range around Batavia's dates instead of trusting one, and local microclimates explains what one yard in Batavia can differ from the 52533 normal.