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Sioux Falls
Weather averages
ClimateForecastNovemberDecember >>

Sioux Falls (SD) Climate by Month

The graphs below provide an overview of the climate in Sioux Falls (South Dakota), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Forecast for Sioux Falls (SD)

Tue   Nov 12
10°C | -1°C
SE 29 km/h
clear and no rain

clear and no rain

hourly forecast
Wed   Nov 13
10°C | 5°C
NW 22 km/h
8.4 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Thu   Nov 14
12°C | 3°C
SE 14 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Sioux Falls in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does Sioux Falls have a dry season?
    Yes, the months of January and November are very dry.
  • When is winter in Sioux Falls?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Sioux Falls?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Sioux Falls?
    The coldest month is January with an average maximum temperature of -3°C.
  • Which is the wettest month in Sioux Falls?
    June tops the wettest month list with 124 mm of rainfall.
  • Which is the driest month in Sioux Falls?
    January is the driest month with 16 mm of precipitation.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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