Farmersburg, IA 52047 Frost Dates
Frost dates for Farmersburg, IA, ZIP 52047
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/12, about 166 frost-free days later.
The USDA Plant Hardiness Zone Map puts Farmersburg in Zone 5a (-20 to -15°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 5a around Farmersburg 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.
Why 04/28 isn't a guarantee
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Farmersburg compares
About 166 days separate Farmersburg's last and first frost, putting it 30,451 of 40,283 ZIP codes nationally. Within IA, it ranks 476 of 1,042.
Learn more
local microclimates explains what one yard in Farmersburg can differ from the 52047 normal, and zone vs. frost date explains why Zone 5a and Farmersburg's frost date answer different questions.