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North Sioux City (IA) Climate by Month

The temperature in North Sioux City can vary greatly throughout the year. The temperatures shift from very warm to very cold. It receives mid-range precipitation levels. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to very cold in North Sioux City. Average daytime temperatures range from a very warm 30°C in July, the warmest time of the year, to a very cold -1°C during cooler months like January. At night, temperatures typically average around -12°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, North Sioux City has a moderate amount of precipitation, averaging 751 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 113 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, January brings less snowfall, with 14 mm over 6 snowy days.

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

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.

    Forecast for North Sioux City (IA)

    Fri   Nov 22
    6°C | -7°C
    NW 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    10°C | -3°C
    SE 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Nov 24
    10°C | 1°C
    NW 18 km/h
    broken clouds and no rain

    broken clouds and no rain