Almont, ND 58520 Frost Dates
Almont, ND: when does the frost end?
Around 05/17 is the usual last spring frost, about 262 days away. Fall's first freeze usually shows up around 09/21, roughly 124 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Almont in Zone 4a (-30 to -25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 3 weeks until Almont's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Almont's last frost
05/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/01 and only about 1 year in 10 sees frost after that.
Almont against the rest of the dataset
Almont's growing season runs about 124 days, ranking 38,875 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 369 of 405.
Learn more
Before leaning on 58520's figures: zone vs. frost date explains why Zone 4a and Almont's frost date answer different questions, while the frost range explains how to read the range around Almont's dates instead of trusting one.