South Dakota month by month

The next 12 months outside in South Dakota: what the weather usually does in Sioux Falls, Rapid and Aberdeen, and what's already on the calendar. Races and programs further out are still being posted, so the later months fill in over time.

  1. October 2026

    3 events listed

    Sioux Falls
    61° / 38°
    Typical high / low
    Rapid
    59° / 38°
    Rain or snow 1 day in 4; snow 1 day in 17
    Aberdeen
    57° / 33°
    Typical high / low

    Listings for October are still coming in. Check back closer to the date.

  2. November 2026

    5 events listed

    Sioux Falls
    44° / 24°
    Typical high / low
    Rapid
    47° / 27°
    Rain or snow 1 day in 6; snow 1 day in 8
    Aberdeen
    40° / 20°
    Typical high / low
  3. December 2026

    1 event listed

    Sioux Falls
    30° / 13°
    Typical high / low
    Rapid
    38° / 19°
    Rain or snow 1 day in 6; snow 1 day in 6
    Aberdeen
    26° / 8°
    Typical high / low

    Listings for December are still coming in. Check back closer to the date.

  4. January 2027

    Nothing listed yet

    Sioux Falls
    25° / 7°
    Typical high / low
    Rapid
    36° / 16°
    Rain or snow 1 day in 5; snow 1 day in 5
    Aberdeen
    21° / 2°
    Typical high / low

    Listings for January are still coming in. Check back closer to the date.

  5. February 2027

    Nothing listed yet

    Sioux Falls
    30° / 12°
    Typical high / low
    Rapid
    38° / 18°
    Rain or snow 1 day in 4; snow 1 day in 4
    Aberdeen
    25° / 6°
    Typical high / low

    Listings for February are still coming in. Check back closer to the date.

  6. March 2027

    Nothing listed yet

    Sioux Falls
    43° / 23°
    Typical high / low
    Rapid
    47° / 26°
    Rain or snow 1 day in 4; snow 1 day in 5
    Aberdeen
    39° / 19°
    Typical high / low

    Listings for March are still coming in. Check back closer to the date.

  7. April 2027

    Nothing listed yet

    Sioux Falls
    57° / 35°
    Typical high / low
    Rapid
    55° / 34°
    Rain or snow 1 day in 3; snow 1 day in 8
    Aberdeen
    54° / 32°
    Typical high / low

    Listings for April are still coming in. Check back closer to the date.

  8. May 2027

    Nothing listed yet

    Sioux Falls
    70° / 49°
    Typical high / low
    Rapid
    65° / 45°
    Rain or snow about half the days
    Aberdeen
    68° / 45°
    Typical high / low

    Listings for May are still coming in. Check back closer to the date.

  9. June 2027

    Nothing listed yet

    Sioux Falls
    80° / 59°
    Typical high / low
    Rapid
    76° / 55°
    Rain or snow 1 day in 2
    Aberdeen
    77° / 55°
    Typical high / low

    Listings for June are still coming in. Check back closer to the date.

  10. July 2027

    Nothing listed yet

    Sioux Falls
    85° / 64°
    Typical high / low
    Rapid
    84° / 62°
    Rain or snow 1 day in 3
    Aberdeen
    83° / 60°
    Typical high / low

    Listings for July are still coming in. Check back closer to the date.

  11. August 2027

    Nothing listed yet

    Sioux Falls
    82° / 61°
    Typical high / low
    Rapid
    83° / 60°
    Rain or snow 1 day in 3
    Aberdeen
    81° / 57°
    Typical high / low

    Listings for August are still coming in. Check back closer to the date.

  12. September 2027

    Nothing listed yet

    Sioux Falls
    75° / 52°
    Typical high / low
    Rapid
    74° / 51°
    Rain or snow 1 day in 4
    Aberdeen
    72° / 48°
    Typical high / low

    Listings for September are still coming in. Check back closer to the date.

Typical weather is the NOAA 1991–2020 average at the nearest weather station to each city.