Warwick, ND 58379 Frost Dates
Frost dates for Warwick, ND, ZIP 58379
Around 05/06 is the usual last spring frost, about 251 days away. The first fall frost typically arrives around 10/05, about 152 frost-free days later.
The USDA Plant Hardiness Zone Map puts Warwick in Zone 4a (-30 to -25°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 4a around Warwick has about 5 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.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Warwick compares
About 152 days separate Warwick's last and first frost, putting it 34,926 of 40,283 ZIP codes nationally. Within ND, it ranks 34 of 405.
Learn more
the frost range explains how to read the range around Warwick's dates instead of trusting one, and local microclimates explains what one yard in Warwick can differ from the 58379 normal.