Waucoma, IA 52171 Frost Dates
Waucoma, IA: when does the frost end?
The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/05, roughly 155 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Waucoma in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 5 weeks until Waucoma's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Waucoma's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Waucoma against the rest of the dataset
About 155 days separate Waucoma's last and first frost, putting it 34,148 of 40,283 ZIP codes nationally. Within IA, it ranks 882 of 1,042.
Learn more
Before leaning on 52171's figures: zone vs. frost date explains why Zone 5a and Waucoma's frost date answer different questions, while the frost range explains how to read the range around Waucoma's dates instead of trusting one.