Golva, ND 58632 Frost Dates
58632, near Golva, ND: the frost window
The last spring frost here typically falls around 05/16, about 261 days from today. Fall's first freeze usually shows up around 09/26, roughly 130 days after the last spring frost.
Golva 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
Golva'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.
Why 05/16 isn't a guarantee
05/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/30 and only about 1 year in 10 sees frost after that.
Golva against the rest of the dataset
Golva's growing season runs about 130 days, ranking 38,425 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 308 of 405.
Learn more
Two guides worth reading on 58632: local microclimates, on what one yard in Golva can differ from the 58632 normal, and zone vs. frost date, on why Zone 4b and Golva's frost date answer different questions.