Inkster, ND 58244 Frost Dates
Inkster, ND: when does the frost end?
Around 05/11 is the usual last spring frost, about 256 days away. Fall's first freeze usually shows up around 09/28, roughly 138 days after the last spring frost.
Inkster sits in USDA Zone 4a (-30 to -25°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 4 weeks until Inkster's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Inkster against the rest of the dataset
At roughly 138 frost-free days, Inkster places 37,489 of 40,283 ZIP codes in this dataset. Within ND, it ranks 207 of 405.
Learn more
Before leaning on 58244's figures: the frost range explains how to read the range around Inkster's dates instead of trusting one, while local microclimates explains what one yard in Inkster can differ from the 58244 normal.