Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 57355 — Kimball, SD

ZIP code 57355 (Kimball, Brule County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 3 and the first fall frost October 5.

Where ZIP 57355 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.

Zone5a−20 to −15 °F

Coldest night−28.9 to −26.1 °C

Last frostMay 3

First frostOct 5

2012 zone4b

Was 4b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Kimball, 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 Kimball, SD

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 3median — 50% chance of a later frost

Safe for tender plantsMay 17only 10% chance of frost after

First fall frostOctober 5median — 10% chance by Sep 21

Growing season153 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 14.

From the NOAA station White Lake, SD — 14 miles away, elevation 1,631 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 57355

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 22 – Apr 5

SpinachSow outdoors · Mar 22 – Apr 12

Broccoli, cabbageStart indoors · Feb 22 – Mar 8

Broccoli, cabbageTransplant · Apr 12 – Apr 26

Onion setsPlant outdoors · Apr 5 – Apr 19

PotatoesPlant outdoors · Apr 12 – Apr 26

LettuceSow outdoors · Apr 5 – Apr 19

Carrots, beetsSow outdoors · Apr 12 – Apr 26

TomatoesStart indoors · Mar 8 – Mar 22

TomatoesTransplant · May 10 – May 24

Peppers, eggplantStart indoors · Feb 22 – Mar 8

Peppers, eggplantTransplant · May 17 – May 31

BeansSow outdoors · May 10 – May 24

Sweet cornSow outdoors · May 10 – May 24

Cucumbers, squashSow outdoors · May 10 – May 24

Fall lettuce, spinachSow outdoors · Aug 10 – Aug 24

GarlicPlant cloves · Sep 21 – Oct 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 5) 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 57355 came on Mar 24 — 18 days earlier than the 1991–2020 average (Apr 11).

average
Apr 112026
Mar 24

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).

Soil in Kimball, SD

The soil mapped at the center of ZIP 57355 is Mobridge — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables

pH6.7neutral; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter5%high

Hydrologic groupBwater soaks in moderately

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Mobridge-Plankinton silt loams.

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 57355; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Kimball, SD

Summer high86 °Faverage high, July

Winter low8 °Faverage low, January

Hot days26days a year at 90 °F or more

Freezing nights163nights a year at 32 °F or less

Growing degree days2,777base 50 °F — the season’s usable heat

Longest day15 h 28 mindaylight on June 21

Shortest day8 h 55 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation23.9 inper year, rain and melted snow

Snowfall38 inper year; 56 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: White Lake, SD (14 mi away); precipitation: White Lake, SD (14 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.

573835a

White Lake, SD · 12 mi

573705a

Pukwana, SD · 12 mi

573255a

Chamberlain, SD · 19 mi

573265a

Chamberlain, SD · 20 mi

573825a

Wessington Springs, SD · 23 mi

573685a

Plankinton, SD · 23 mi

573414b

Gann Valley, SD · 23 mi

573655a

Oacoma, SD · 24 mi

South Dakota planting zones →

Questions about 57355

What planting zone is ZIP code 57355?

ZIP code 57355 (Kimball, SD) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Kimball, SD?

The median last spring frost (32 °F) near 57355 is May 3; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, White Lake station.

When is the first frost in Kimball, SD?

The median first fall frost near 57355 is October 5, giving a median frost-free growing season of 153 days.

When should I plant tomatoes in 57355?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 57355 get?

About 23.9 inches of precipitation a year and 38 inches of snowfall (NOAA 1991–2020 normals, White Lake station).

How hot do summers get in Kimball, SD?

The average high peaks at 86 °F in July, with about 26 days a year at 90 °F or more.

What kind of soil does 57355 have?

The USDA soil survey maps Mobridge at the center of ZIP 57355: silt loam, moderately well drained, pH about 6.7 (neutral).

Did spring come early in Kimball, SD in 2026?

Spring leaf-out near 57355 came on Mar 24 in 2026, 18 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Kimball, SD?

Long-day onions: the longest day near 57355 is 15 h 28 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 57355 change?

Yes. The 2012 USDA map put 57355 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.