TODAY MAY18
TEMPERATURE64
HUMIDITY100
PRESSURE30.1
WIND COND.70 25.9
  • 7062Tue80%40%
  • 8163Wed30%
  • 8364Thu
  • 8464Fri
  • 8565Sat
daynightWeather update from Decatur Airport at

Key findings

  • The highest monthly average temperature in LaPlace for July is 76.3 degrees
  • The lowest monthly average temperature in LaPlace for January is 28.3 degrees
  • The most monthly precipitation in LaPlace occurs in June with 5 inches
  • The air quality index in LaPlace is 12% better than the national average
  • The pollution index in LaPlace is 86% better than the national average

Compare LaPlace, IL Weather

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      LaPlace 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
      January20°F38°F28°F1.5"
      February22°F40°F30°F1.8"
      March34°F55°F43°F2.3"
      April44°F67°F55°F4.2"
      May54°F76°F65°F4.6"
      June64°F85°F74°F5.0"
      July66°F87°F76°F3.8"
      August64°F86°F75°F2.7"
      September57°F80°F68°F3.5"
      October46°F68°F56°F3.6"
      November35°F54°F44°F2.7"
      December26°F41°F33°F3.1"

      LaPlace 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.
      IndexLaPlaceIllinoisNational
      Air quality index444150
      Pollution index703,2183,347,2955,066,862

      LaPlace air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      LaPlace air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly LaPlace temperature with heat index

      LaPlace monthly precipitation with daily maximum

      LaPlace monthly snow depth with daily maximum

      LaPlace monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ivesdale, IL2514216%
      Atwood, IL1,1064216%
      Macon, IL1,2044412%
      Hammond, IL4574412%
      Argenta, IL1,1254412%
      LaPlace, IL1614412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Turin, NY1613530%
      Leon, WV1614020%
      Glendale, SC1614412%
      Elko, SC161476%
      Kenny Lake, AK1613138%
      LaPlace, IL1614412%
      Source: The LaPlace, 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.