Clive, IA 50323 Frost Dates
Frost dates for Clive, IA, ZIP 50323
Typically, the last spring freeze lands around 04/19, roughly 234 days out. The first fall frost typically arrives around 10/18, about 179 frost-free days later.
The USDA Plant Hardiness Zone Map puts Clive 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 Clive has about 7 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 Clive's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clive compares
About 179 days separate Clive's last and first frost, putting it 25,208 of 40,283 ZIP codes nationally. Within IA, it ranks 98 of 1,042.
Learn more
zone vs. frost date explains why Zone 5b and Clive's frost date answer different questions, and the frost range explains how to read the range around Clive's dates instead of trusting one.