Westhope, ND 58793 Frost Dates
58793, near Westhope, ND: the frost window
The last spring frost here typically falls around 05/14, about 259 days from today. Fall's first freeze usually shows up around 09/25, roughly 133 days after the last spring frost.
Westhope sits in USDA Zone 3b (-35 to -30°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
Westhope'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.
How much risk comes with planting early here
05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/26 and only about 1 year in 10 sees frost after that.
Westhope against the rest of the dataset
Westhope's growing season runs about 133 days, ranking 38,124 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 286 of 405.
Learn more
Two guides worth reading on 58793: the frost range, on how to read the range around Westhope's dates instead of trusting one, and local microclimates, on what one yard in Westhope can differ from the 58793 normal.