Ray, ND 58849 Frost Dates
When can you plant in Ray, ND?
Around 05/11 is the usual last spring frost, about 256 days away. The first fall frost typically arrives around 09/26, about 136 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ray 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
About 4 weeks of growing season left in Ray before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Ray's last frost
05/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ray compares
At roughly 136 frost-free days, Ray places 37,738 of 40,283 ZIP codes in this dataset. Within ND, it ranks 228 of 405.
Learn more
local microclimates covers what one yard in Ray can differ from the 58849 normal. zone vs. frost date covers why Zone 4a and Ray's frost date answer different questions.