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Climate in Sioux City (Iowa, United States of America)

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in Sioux City, the United States of America Copyright © 2023 weather-and-climate.com

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Monthly precipitation

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

Average precipitation (rain/snow) in Sioux City, the United States of America Copyright © 2023 weather-and-climate.com

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Monthly rainy days

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

Average rainy days (rain/snow) in Sioux City, the United States of America Copyright © 2023 weather-and-climate.com

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Weather Forecasts for Sioux City (Iowa)

Show in Fahrenheit
Thu   Dec 07
15°C | -1°C
S 22 km/h
clear and no rain

clear and no rain

hourly forecast
Fri   Dec 08
13°C | 2°C
W 25 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Sat   Dec 09
3°C | -4°C
NW 36 km/h
3.5 mm
broken clouds and snow

broken clouds and snow

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Sioux City 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 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical weather data:

  • When is summer in Sioux City?
    The hottest season / summer takes place in June, July, August and September.
  • Does Sioux City have a dry season?
    Yes, the months of January and November are very dry.
  • When is winter in Sioux City?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Sioux City?
    July has an average maximum temperature of 30°C (86°F) and is the warmest month of the year.
  • Which is the coldest month in Sioux City?
    The coldest month is January with an average maximum temperature of -1°C (30°F).
  • Which is the wettest month in Sioux City?
    June tops the wettest month list with 108mm (4.3in) of rainfall.
  • Which is the driest month in Sioux City?
    January is the driest month with 13mm (0.5in) 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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