ClimateForecastNovemberDecember >>

Average humidity in Sioux Falls (SD)

The mean monthly relative humidity over the year in Sioux Falls (South Dakota), the United States of America.


  • On average, December is the most humid month, at 75.0%.
  • On average, May is the least humid month, at 63.6%.
  • The average annual percentage of humidity is 69%.

Forecast for Sioux Falls (SD)

Fri   Nov 22
6°C | -8°C
SW 7 km/h
partly cloudy and no rain

partly cloudy and no rain

Sat   Nov 23
7°C | -4°C
SE 14 km/h
partly cloudy and no rain

partly cloudy and no rain

Sun   Nov 24
7°C | -2°C
N 18 km/h
0.6 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

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