Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 57262 — Sisseton, SD

ZIP code 57262 (Sisseton, Roberts County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 4 and the first fall frost October 3.

Where ZIP 57262 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostMay 4
First frostOct 3
2012 zone4b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Sisseton, SD…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Sisseton, SD

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 4median — 50% chance of a later frost
Safe for tender plantsMay 17only 10% chance of frost after
First fall frostOctober 3median — 10% chance by Sep 22
Growing season151 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around October 14.

From the NOAA station Sisseton, SD — 2 miles away, elevation 1,211 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 57262

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 23 – Apr 6
SpinachSow outdoors · Mar 23 – Apr 13
Broccoli, cabbageStart indoors · Feb 23 – Mar 9
Broccoli, cabbageTransplant · Apr 13 – Apr 27
Onion setsPlant outdoors · Apr 6 – Apr 20
PotatoesPlant outdoors · Apr 13 – Apr 27
LettuceSow outdoors · Apr 6 – Apr 20
Carrots, beetsSow outdoors · Apr 13 – Apr 27
TomatoesStart indoors · Mar 9 – Mar 23
TomatoesTransplant · May 11 – May 25
Peppers, eggplantStart indoors · Feb 23 – Mar 9
Peppers, eggplantTransplant · May 18 – Jun 1
BeansSow outdoors · May 11 – May 25
Sweet cornSow outdoors · May 11 – May 25
Cucumbers, squashSow outdoors · May 11 – May 25
Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22
GarlicPlant cloves · Sep 19 – Oct 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 4) and first fall frost (Oct 3) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 57262 came on Apr 16 — 4 days earlier than the 1991–2020 average (Apr 20).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 4b in South Dakota

430 plants native to the lower 48 states, recorded in South Dakota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 23

Shrubs 65

Wildflowers & perennials 191

Grasses 138

Vines 5

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Sisseton, SD.

Soil in Sisseton, SD

The soil mapped at the center of ZIP 57262 is Peever — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH6.6neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter5%high
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Peever clay loam, 2 to 6 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 57262; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Sisseton, SD

Summer high82 °Faverage high, July
Winter low5 °Faverage low, January
Hot days11days a year at 90 °F or more
Freezing nights166nights a year at 32 °F or less
Growing degree days2,512base 50 °F — the season’s usable heat
Longest day15 h 42 mindaylight on June 21
Shortest day8 h 41 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation25.4 inper year, rain and melted snow
Snowfall48 inper year; 78 days with snow on the ground

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 22 °F, low 5 °F 22°5° JanFebruary: average high 27 °F, low 9 °F 27°9° FebMarch: average high 39 °F, low 20 °F 39°20° MarApril: average high 55 °F, low 33 °F 55°33° AprMay: average high 68 °F, low 46 °F 68°46° MayJune: average high 78 °F, low 56 °F 78°56° JunJuly: average high 82 °F, low 61 °F 82°61° JulAugust: average high 80 °F, low 59 °F 80°59° AugSeptember: average high 72 °F, low 50 °F 72°50° SepOctober: average high 57 °F, low 37 °F 57°37° OctNovember: average high 41 °F, low 23 °F 41°23° NovDecember: average high 27 °F, low 11 °F 27°11° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.79 in precipitation, 8.9 in snowfall 0.8❄9 JanFebruary: 0.82 in precipitation, 9.7 in snowfall 0.8❄10 FebMarch: 1.35 in precipitation, 7.8 in snowfall 1.4❄8 MarApril: 2.38 in precipitation, 5.6 in snowfall 2.4❄6 AprMay: 3.08 in precipitation 3.1 MayJune: 3.91 in precipitation 3.9 JunJuly: 3.67 in precipitation 3.7 JulAugust: 2.45 in precipitation 2.5 AugSeptember: 2.63 in precipitation 2.6 SepOctober: 2.54 in precipitation, 0.9 in snowfall 2.5❄1 OctNovember: 1.04 in precipitation, 5.7 in snowfall 1.0❄6 NovDecember: 0.78 in precipitation, 9.4 in snowfall 0.8❄9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sisseton, SD (2 mi away); precipitation: Sisseton, SD (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

South Dakota planting zones →

Questions about 57262

What planting zone is ZIP code 57262?

ZIP code 57262 (Sisseton, SD) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Sisseton, SD?

The median last spring frost (32 °F) near 57262 is May 4; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sisseton station.

When is the first frost in Sisseton, SD?

The median first fall frost near 57262 is October 3, giving a median frost-free growing season of 151 days.

When should I plant tomatoes in 57262?

Start tomato seeds indoors around Mar 9 – Mar 23 and set transplants outside around May 11 – May 25, one to three weeks after the median last frost.

How much rain and snow does 57262 get?

About 25.4 inches of precipitation a year and 48 inches of snowfall (NOAA 1991–2020 normals, Sisseton station).

How hot do summers get in Sisseton, SD?

The average high peaks at 82 °F in July, with about 11 days a year at 90 °F or more.

What kind of soil does 57262 have?

The USDA soil survey maps Peever at the center of ZIP 57262: clay loam, well drained, pH about 6.6 (neutral).

Did spring come early in Sisseton, SD in 2026?

Spring leaf-out near 57262 came on Apr 16 in 2026, 4 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Sisseton, SD?

Long-day onions: the longest day near 57262 is 15 h 42 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).