Climate & Weather in Sioux Falls
Sioux Falls has a real, genuinely humid continental, four-season Great Plains climate: cold winters (January average high around 26°F) and warm summers (July average high around 85°F), with meaningful annual snowfall and real, documented severe-storm exposure.
Exploring the idea of moving?
We can connect you with a local real estate professional who knows the area -- no pressure, just a starting point.
Learn moreCold Winters
Sioux Falls' winters are cited as genuinely cold, with January (the coldest month) averaging a high near 26°F, and temperatures rarely falling below approximately -11°F.
Warm Summers
Summers are cited as genuinely warm: July (the warmest month) averages a high near 85°F, with temperatures rarely exceeding approximately 94°F.
A Genuinely Humid Continental Climate With Strong Winds
Sioux Falls receives approximately 33 inches of annual precipitation and is cited as experiencing strong winds that can reach up to 35 miles per hour -- consistent with its open Great Plains setting.
Meaningful Annual Snowfall
Sioux Falls averages approximately 38 inches of snowfall per year, across approximately 54 days of snowfall annually, typically running from October through April.
Real, Documented Severe-Storm Exposure
As detailed on the flood-hurricane-risk topic page, South Dakota's Great Plains location brings real, documented hail, damaging wind, and tornado exposure distinct from its winter-snowfall pattern -- this record discloses a real, honest gap in comprehensive current tornado-frequency statistics.
Key takeaways
- Sioux Falls' January average high runs around 26°F, with genuinely cold winter conditions and lows rarely below -11°F.
- Sioux Falls' July average high runs around 85°F, with warm summer conditions and highs rarely above 94°F.
- Annual precipitation runs approximately 33 inches, alongside approximately 38 inches of average annual snowfall across 54 snow days.
- Sioux Falls carries real, documented hail, wind, and tornado exposure tied to its Great Plains location.
Want to know what your budget actually buys here?
Tell us a bit about what you're looking for and we'll connect you with someone local who can walk you through real numbers.
Get local guidanceRead the full Sioux Falls overview for the complete picture -- housing, taxes, climate, and who this place genuinely fits.
Planning a move?
Tell us what you're looking for and we'll connect you with a local expert who can help you make it happen.
Talk to a local expert