TODAY OCT22
TEMPERATURE66
HUMIDITY46
PRESSURE30.09
WIND COND.310 5.8
  • 5833Tue
  • 5537Wed
  • 5138Thu
  • 5438Fri
  • 5241Sat50%50%
daynightWeather update from Taylorville, Taylorville Municipal Airport at
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Hillsboro 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
January23°F38°F29°F3.3"
February24°F40°F31°F3.5"
March36°F55°F44°F3.9"
April45°F67°F55°F9.3"
May55°F75°F64°F5.6"
June64°F84°F73°F7.9"
July66°F86°F76°F5.0"
August65°F86°F74°F5.1"
September57°F80°F67°F6.0"
October46°F68°F56°F5.6"
November36°F54°F44°F3.6"
December28°F42°F34°F3.6"

Did you know?

  • The highest monthly average temperature in Hillsboro for July is 76 degrees.
  • The lowest monthly average temperature in Hillsboro for January is 29 degrees.
  • The most monthly precipitation in Hillsboro occurs in April with 9.3 inches.
  • The air quality index in Hillsboro is 29% better than the national average.
  • The pollution index in Hillsboro is 87% better than the national average.

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Compare Hillsboro, IL Weather To Other Cities

Hillsboro 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.
IndexHillsboroIllinoisNational
Air quality index354150
Pollution index647,2803,347,2955,066,862

Hillsboro air quality information

MeasurementTotal
Days measured365
Days with good air quality316
Days with moderate air quality49
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Hillsboro air quality information

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

Average monthly Hillsboro temperature with heat index

Hillsboro monthly precipitation with daily maximum

Hillsboro monthly snow depth with daily maximum

Hillsboro monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Witt, IL9103530%
Coalton, IL2693530%
Harvel, IL2293530%
Taylor Springs, IL4523530%
Irving, IL4143530%
Hillsboro, IL7,2873530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Albertville, MN7,2864412%
North Amherst, MA7,2903922%
New Cumberland, PA7,290524%
Midland Park, NJ7,283536%
Lincolnshire, IL7,2916020%
Hillsboro, IL7,2873530%
Source: The Hillsboro, 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.