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North Sioux City (IA) Climate by Month

The graphs below provide an overview of the climate in North Sioux City (Iowa), 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.

Monthly precipitation

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

Forecast for North Sioux City (IA)

Thu   Nov 14
12°C | 0°C
SE 14 km/h
clear and no rain

clear and no rain

Fri   Nov 15
15°C | -1°C
SE 22 km/h
almost clear and no rain

almost clear and no rain

Sat   Nov 16
16°C | 5°C
S 29 km/h
clear and no rain

clear and no rain

The best time of year to visit North 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°C and 26°C.

Other facts from our historical weather data:

  • When is summer in North Sioux City?
    The hottest season / summer takes place in June, July, August and September.
  • Does North Sioux City have a dry season?
    Yes, the months of January and November are very dry.
  • When is winter in North Sioux City?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in North Sioux City?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in North Sioux City?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in North Sioux City?
    June tops the wettest month list with 113 mm of rainfall.
  • Which is the driest month in North Sioux City?
    January is the driest month with 14 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.