White Earth, ND 58794 Frost Dates
58794, near White Earth, ND: the frost window
The last spring frost here typically falls around 05/11, about 256 days from today. Fall's first freeze usually shows up around 09/26, roughly 136 days after the last spring frost.
White Earth 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
White Earth's growing season runs out in roughly 4 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 White Earth's last frost
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
White Earth against the rest of the dataset
White Earth's growing season runs about 136 days, ranking 37,812 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 249 of 405.
Learn more
Two guides worth reading on 58794: the frost range, on how to read the range around White Earth's dates instead of trusting one, and local microclimates, on what one yard in White Earth can differ from the 58794 normal.