Batesland, SD 57772 Frost Dates
Batesland, SD: when does the frost end?
The last spring frost here typically falls around 05/17, about 262 days from today. Fall's first freeze usually shows up around 09/25, roughly 130 days after the last spring frost.
Zone 5a (-20 to -15°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 Batesland, not a forecast for this year.
Stretching the season past the first frost
With roughly 4 weeks until Batesland'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
05/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/03 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.
Batesland against the rest of the dataset
Batesland's growing season runs about 130 days, ranking 38,427 of 40,283 US ZIP codes measured here, longest to shortest. Within SD, it ranks 368 of 378.
Learn more
Before leaning on 57772's figures: zone vs. frost date explains why Zone 5a and Batesland's frost date answer different questions, while the frost range explains how to read the range around Batesland's dates instead of trusting one.