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.
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
- Fall Foundations & Flow Women's Mountain Bike ClinicSun, Oct 11 · 10:00 AM · Class · Spearfish
- Black Hills MTB ClassicSun, Oct 11 · 10:00 AM · Race · Sturgis
Listings for October are still coming in. Check back closer to the date.
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.