Galt, IA 50101 Frost Dates
Galt, IA: when does the frost end?
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/10, roughly 162 days after the last spring frost.
Galt sits in USDA Zone 5a (-20 to -15°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
With roughly 6 weeks until Galt's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Galt's last frost
04/30 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 05/12 and only about 1 year in 10 sees frost after that.
Galt against the rest of the dataset
At roughly 162 frost-free days, Galt places 31,906 of 40,283 ZIP codes in this dataset. Within IA, it ranks 745 of 1,042.
Learn more
Before leaning on 50101's figures: the frost range explains how to read the range around Galt's dates instead of trusting one, while local microclimates explains what one yard in Galt can differ from the 50101 normal.