Mooreton, ND 58074 Frost Dates
Mooreton, ND: when does the frost end?
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 09/29, roughly 145 days after the last spring frost.
Zone 4a (-30 to -25°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 Mooreton, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Mooreton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Mooreton against the rest of the dataset
About 145 days separate Mooreton's last and first frost, putting it 36,297 of 40,283 ZIP codes nationally. Within ND, it ranks 62 of 405.
Learn more
Before leaning on 58074's figures: local microclimates explains what one yard in Mooreton can differ from the 58074 normal, while zone vs. frost date explains why Zone 4a and Mooreton's frost date answer different questions.