TODAY MAR19
TEMPERATURE29
HUMIDITY66
PRESSURE101390
WIND COND.240 20.5
  • 5531Tue
  • 4026Wed
  • 3929Thu
  • 4329Fri
  • 3727Sat
daynightWeather update from Lansing Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Holland for July is 74 degrees
  • The lowest monthly average temperature in South Holland for January is 25.6 degrees
  • The most monthly precipitation in South Holland occurs in July with 8 inches
  • The air quality index in South Holland is 31% worse than the national average
  • The pollution index in South Holland is 43% better than the national average

Compare South Holland, IL Weather

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      South Holland 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
      January18°F34°F26°F4.5"
      February19°F35°F27°F3.6"
      March31°F49°F39°F4.4"
      April40°F62°F50°F5.4"
      May50°F72°F60°F6.5"
      June60°F81°F70°F5.8"
      July64°F84°F74°F8.0"
      August63°F82°F72°F7.5"
      September56°F76°F65°F5.4"
      October45°F64°F54°F6.2"
      November33°F51°F42°F5.4"
      December24°F38°F31°F3.8"

      South Holland 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 HollandIllinoisNational
      Air quality index554142
      Pollution index1,558,0703,148,6942,726,193

      South Holland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      South Holland air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.070%
      Lead0.090%
      Mercury0.010%

      Average monthly South Holland temperature with heat index

      South Holland monthly precipitation with daily maximum

      South Holland monthly snow depth with daily maximum

      South Holland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Merrillville, IN34,8713726.0%
      Crown Point, IN30,3723726.0%
      Bedford Park, IL6695510.0%
      Ford Heights, IL2,7055510.0%
      Sauk Village, IL10,3195510.0%
      South Holland, IL21,4515510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      South Euclid, OH21,44950= 100
      North Plainfield, NJ21,445512.0%
      Rancho San Diego, CA21,4766428.0%
      North Bellmore, NY21,422512.0%
      Portsmouth, NH21,4183726.0%
      South Holland, IL21,4515510.0%
      Source: The South Holland, IL 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.