Climate in Sioux Falls
The typical year in Sioux Falls (South Dakota), from 1991-2020 normals. For what's happening now, see the current forecast ; a month ahead — the 30-day outlook .
Annual mean temp
9.3°C
average across 12 months
Annual precipitation
737 mm
yearly total
Warmest month
Jul
⌀ max 29°C
Coldest month
Feb
⌀ min -11°C
Temperatures by month typical high (orange) · typical low (blue)
Precipitation by month monthly totals across the year
The short version
Region South Dakota
Region South Dakota
Latitude 43.5437°N
Annual mean 9.3°C
Annual precipitation 737 mm
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain
Source · 1991-2020 normals