Newburg, ND 58762 Frost Dates
Frost dates for Newburg, ND, ZIP 58762
Around 05/15 is the usual last spring frost, about 260 days away. The first fall frost typically arrives around 09/25, about 132 frost-free days later.
The USDA Plant Hardiness Zone Map puts Newburg in Zone 3b (-35 to -30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 3b around Newburg has about 4 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Newburg's last frost
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newburg compares
Newburg's growing season runs about 132 days, ranking 38,237 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 303 of 405.
Learn more
zone vs. frost date explains why Zone 3b and Newburg's frost date answer different questions, and the frost range explains how to read the range around Newburg's dates instead of trusting one.