Wellsburg, IA 50680 Frost Dates
Frost dates for Wellsburg, IA, ZIP 50680
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/09, about 160 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wellsburg 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 Wellsburg 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.
The actual range around Wellsburg's last frost
04/29 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. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wellsburg compares
About 160 days separate Wellsburg's last and first frost, putting it 32,461 of 40,283 ZIP codes nationally. Within IA, it ranks 764 of 1,042.
Learn more
the frost range explains how to read the range around Wellsburg's dates instead of trusting one, and local microclimates explains what one yard in Wellsburg can differ from the 50680 normal.