TODAY AUG14
TEMPERATURE61
HUMIDITY93
PRESSURE30.02
WIND COND.
  • 8769Tue20%30%
  • 7969Wed60%70%
  • 8266Thu50%40%
  • 8467Fri
  • 8366Sat
daynightWeather update from Decatur Airport at

LaPlace Average Weather

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"

Did you know?

  • The highest monthly average temperature in LaPlace for July is 76 degrees.
  • The lowest monthly average temperature in LaPlace for January is 28 degrees.
  • The most monthly precipitation in LaPlace occurs in June with 5 inches.
  • The air quality index in LaPlace is 21% better than the national average.
  • The pollution index in LaPlace is 86% better than the national average.

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Compare LaPlace, IL Weather To Other Cities

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 index394150
Pollution index703,2183,347,2955,066,862

LaPlace air quality information

MeasurementTotal
Days measured365
Days with good air quality293
Days with moderate air quality72
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

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.
Atwood, IL1,1063628%
Ivesdale, IL2513628%
Argenta, IL1,1253922%
Bethany, IL1,2753922%
Decatur, IL74,0633922%
LaPlace, IL1613922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Lima, MT1612942%
Neibert, WV161295490%
North Washington, IA1611864%
Stuart, OK1614314%
Du Pont, GA1613628%
LaPlace, IL1613922%
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.