Greeley, IA 52050 Frost Dates
52050, near Greeley, IA: the frost window
The last spring frost here typically falls around 05/03, about 248 days from today. Fall's first freeze usually shows up around 10/04, roughly 154 days after the last spring frost.
Greeley sits in USDA Zone 4b (-25 to -20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Greeley'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.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Greeley against the rest of the dataset
About 154 days separate Greeley's last and first frost, putting it 34,452 of 40,283 ZIP codes nationally. Within IA, it ranks 910 of 1,042.
Learn more
Two guides worth reading on 52050: local microclimates, on what one yard in Greeley can differ from the 52050 normal, and zone vs. frost date, on why Zone 4b and Greeley's frost date answer different questions.