TODAY APR25
TEMPERATURE53
HUMIDITY63
PRESSURE101800
WIND COND.100 13
  • 6851Thu50%
  • 6652Fri90%100%
  • 6950Sat70%
  • 6540Sun80%70%
  • 6345Mon
daynightWeather update from Sioux City, Sioux Gateway Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Sioux City for July is 76 degrees
  • The lowest monthly average temperature in South Sioux City for January is 21 degrees
  • The most monthly precipitation in South Sioux City occurs in August with 5.6 inches
  • The air quality index in South Sioux City is 17% better than the national average
  • The pollution index in South Sioux City is 85% better than the national average

Compare South Sioux City, NE Weather

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      South Sioux City Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January10°F33°F21°F0.7"
      February13°F38°F24°F0.8"
      March26°F53°F38°F1.5"
      April37°F66°F51°F3.5"
      May48°F77°F62°F4.2"
      June59°F86°F72°F4.9"
      July63°F89°F76°F3.5"
      August60°F86°F73°F5.6"
      September51°F81°F65°F3.1"
      October38°F68°F52°F3.0"
      November25°F53°F38°F1.1"
      December13°F36°F24°F1.7"

      South Sioux City air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexSouth Sioux CityNebraskaNational
      Air quality index358642
      Pollution index397,267590,6272,726,193

      South Sioux City air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality322
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      South Sioux City air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly South Sioux City temperature with heat index

      South Sioux City monthly precipitation with daily maximum

      South Sioux City monthly snow depth with daily maximum

      South Sioux City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lawton, IA1,0553530.0%
      Dakota City, NE2,2493530.0%
      Ponca, NE9423530.0%
      Salix, IA4793530.0%
      Homer, NE4103530.0%
      South Sioux City, NE12,8673530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Key Biscayne, FL12,8674118.0%
      Kingston, PA12,8593824.0%
      Willow Grove, PA12,881512.0%
      Edgewater, NJ12,890512.0%
      Glendale, WI12,8904412.0%
      South Sioux City, NE12,8673530.0%
      Source: The South Sioux City, NE weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.