TODAY AUG15
TEMPERATURE70
HUMIDITY87
PRESSURE29.94
WIND COND.160 5.8
  • 7967Wed60%60%
  • 8264Thu40%40%
  • 8263Fri20%30%
  • 8462Sat
  • 8465Sun
daynightWeather update from Aurora Municipal Airport at

Boulder Hill 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
January18°F32°F25°F4.1"
February16°F31°F23°F3.2"
March29°F48°F38°F3.7"
April38°F62°F49°F5.9"
May49°F74°F61°F4.0"
June60°F84°F72°F4.6"
July60°F85°F73°F9.3"
August62°F83°F72°F8.2"
September54°F81°F67°F2.4"
October45°F68°F55°F5.0"
November30°F49°F39°F3.4"
December16°F31°F23°F2.7"

Did you know?

  • The highest monthly average temperature in Boulder Hill for July is 73 degrees.
  • The lowest monthly average temperature in Boulder Hill for February is 23 degrees.
  • The most monthly precipitation in Boulder Hill occurs in July with 9.3 inches.
  • The air quality index in Boulder Hill is 20% worse than the national average.
  • The pollution index in Boulder Hill is 63% better than the national average.

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Compare Boulder Hill, IL Weather To Other Cities

Boulder Hill 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.
IndexBoulder HillIllinoisNational
Air quality index604150
Pollution index1,874,4903,347,2955,066,862

Boulder Hill air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Boulder Hill air quality information

PollutantTotal
Arsenic0.002%
Benzene0.030%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.010%

Average monthly Boulder Hill temperature with heat index

Boulder Hill monthly precipitation with daily maximum

Boulder Hill monthly snow depth with daily maximum

Boulder Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Millbrook, IL341198%
Newark, IL1,139198%
Plano, IL11,929198%
Sugar Grove, IL9,288198%
Kaneville, IL421198%
Boulder Hill, IL8,4496020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Folsom, PA8,4485714%
Lincoln City, OR8,4521766%
Fort Stockton, TX8,4453040%
Lake Elmo, MN8,4454412%
Brockport, NY8,4443628%
Boulder Hill, IL8,4496020%
Source: The Boulder Hill, 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.