FrostDateCheck

Everly, IA 51338 Frost Dates

51338, near Everly, IA: the frost window

Zone 5a

The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/02, roughly 154 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Everly 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

Everly's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Everly'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 05/15 and only about 1 year in 10 sees frost after that.

Everly against the rest of the dataset

At roughly 154 frost-free days, Everly places 34,404 of 40,283 ZIP codes in this dataset. Within IA, it ranks 903 of 1,042.

Learn more

Two guides worth reading on 51338: the frost range, on how to read the range around Everly's dates instead of trusting one, and local microclimates, on what one yard in Everly can differ from the 51338 normal.