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South Dakota · source coverage

South Dakota
frost date references.

Explore the historical NOAA stations behind the dates. See which references support a seasonal model, and where that model would be misleading.

Station references167
Seasonal-model references156
Census places searchable485

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    Census places are not ZIP codes. A nearby station is a reference, not a garden-level measurement. Distance and data limitations are shown before any calculation.

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    South Dakota weather stations

    11 references do not support an ordinary annual freeze calendar.

    All 167 stations

    Aberdeen 3 E

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    Limited-quality reference

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    Aberdeen 35 Wnw

    Seasonal reference

    Conditional spring median May 10

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    Aberdeen

    Seasonal reference

    Conditional spring median May 9

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    Academy 2ne

    Seasonal reference

    Conditional spring median Apr 30

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    Alexandria

    Seasonal reference

    Conditional spring median May 8

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    Andover #2

    Seasonal reference

    Conditional spring median May 6

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    Antelope Rs

    Seasonal reference

    Conditional spring median May 19

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    Ardmore 1 Nw

    Seasonal reference

    Conditional spring median May 16

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    Arlington 1 W

    Seasonal reference

    Conditional spring median May 3

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    Armour

    Seasonal reference

    Conditional spring median May 3

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    Astoria 4s

    Seasonal reference

    Conditional spring median May 6

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    Bear Ridge

    Seasonal reference

    Conditional spring median May 17

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    Climate is only part of the answer

    Choose crops with
    regional guidance.

    A freeze date does not establish crop suitability. Our vegetable guides keep maturity, soil-temperature and planting-calendar sources tied to their actual regions.

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