Rhame, ND 58651 Frost Dates
When can you plant in Rhame, ND?
The last spring frost here typically falls around 05/12, about 257 days from today. The first fall frost typically arrives around 09/29, about 136 frost-free days later.
Zone 4b (-25 to -20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Rhame, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Rhame before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rhame compares
Rhame's growing season runs about 136 days, ranking 37,800 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 244 of 405.
Learn more
zone vs. frost date covers why Zone 4b and Rhame's frost date answer different questions. the frost range covers how to read the range around Rhame's dates instead of trusting one.