Tuttle, ND 58488 Frost Dates
Tuttle, ND: when does the frost end?
Typically, the last spring freeze lands around 05/13, roughly 258 days out. Fall's first freeze usually shows up around 09/29, roughly 139 days after the last spring frost.
Tuttle sits in USDA Zone 4a (-30 to -25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 5 weeks until Tuttle'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
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Tuttle against the rest of the dataset
About 139 days separate Tuttle's last and first frost, putting it 37,318 of 40,283 ZIP codes nationally. Within ND, it ranks 169 of 405.
Learn more
Before leaning on 58488's figures: local microclimates explains what one yard in Tuttle can differ from the 58488 normal, while zone vs. frost date explains why Zone 4a and Tuttle's frost date answer different questions.