ClimateForecastMayJune >>

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)

Sat   May 04
16°C | 5°C
N 22 km/h
5.5 mm
almost clear and rain

almost clear and rain

Sun   May 05
19°C | 5°C
SE 22 km/h
clear and no rain

clear and no rain

Mon   May 06
23°C | 10°C
SE 40 km/h
18 mm
broken clouds and thunder

broken clouds and thunder

Interested in more climate information?

This site provides you with all the information you need about the climate in Sioux Falls.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.