Centerville, IA 52544 Frost Dates
Centerville, IA: when does the frost end?
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/14, roughly 168 days after the last spring frost.
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 Centerville, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Centerville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Centerville's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Centerville against the rest of the dataset
Centerville's growing season runs about 168 days, ranking 29,703 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 370 of 1,042.
Learn more
Before leaning on 52544's figures: local microclimates explains what one yard in Centerville can differ from the 52544 normal, while zone vs. frost date explains why Zone 5b and Centerville's frost date answer different questions.