Race weather · 10-year data

When to race in South Dakota

Typical race-day conditions for every month, averaged from 10 years of weather history across 48 upcoming race days in South Dakota — the same data shown on every race page on Find The Run.

Best month

October

44–64°F · low rain risk

10 races →

#2 pick

November

27–44°F · low rain risk

3 races →

#3 pick

September

54–73°F · low rain risk

14 races →

Month by month

Bars show the typical race-day range (17–81°F scale). Tap a month to browse its races.

AprApril

38–58°F

22% rain

2 races

MayMay

48–69°F

26% rain

1 races

JulJuly

58–77°F

31% rain

1 races

AugAugust

63–81°F

22% rain

14 races

SepSeptember

54–73°F

17% rain

14 races

OctOctober

44–64°F

15% rain

10 races

NovNovember

27–44°F

10% rain

3 races

DecDecember

17–34°F

9% rain

3 races

Races in the sweet spot

Upcoming South Dakota races in the best-weather months.

Center for Disabilities

Sioux Falls · Sep 12 · typically 58–77°F

Sundance to Spearfish Marathon

Spearfish · Sep 13 · typically 54–76°F

Fittest on the Farm - 5k/10k Run, Walk, Ruck

Harrisburg · Sep 19 · typically 59–77°F

Your Race Your Pace

Aberdeen · Sep 19 · typically 56–74°F

South Dakota Service Dog Jog 5k

Rapid City · Sep 26 · typically 50–70°F

Golden Harvest Half Marathon & 5k/10k - Sioux Falls

Sioux Falls · Sep 26 · typically 55–73°F

How this is measured: every race on Find The Run carries 10 years of weather history for its exact location and calendar date. These monthly figures average that data across all 48 upcoming race days in South Dakota — real race-day conditions in the US, not city-wide monthly normals.

Browse all South Dakota races → · All state weather guides