West Liberty, IA 52776 Frost Dates
Frost dates for West Liberty, IA, ZIP 52776
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/09, about 162 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 West Liberty, not a forecast for this year.
What to do before the first frost
Zone 5b around West Liberty 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 West Liberty's last frost
04/29 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. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How West Liberty compares
About 162 days separate West Liberty's last and first frost, putting it 31,728 of 40,283 ZIP codes nationally. Within IA, it ranks 691 of 1,042.
Learn more
zone vs. frost date explains why Zone 5b and West Liberty's frost date answer different questions, and the frost range explains how to read the range around West Liberty's dates instead of trusting one.