TODAY MAY30
TEMPERATURE70
HUMIDITY38
PRESSURE30.18
WIND COND.320 9.2
  • 6951Sun
  • 7767Mon30%30%
  • 9068Tue
  • 8562Wed
  • 8262Thu
daynightWeather update from Janesville-Rock County at
How would you rate the weather in South Beloit?
Write a review to give others more information about this area.
How would you rate the air quality in South Beloit?
Write a review to give others more information about this area.
See all South Beloit poll results

South Beloit 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
January14°F32°F23°F1.7"
February15°F35°F25°F1.6"
March27°F50°F38°F2.7"
April37°F64°F50°F4.3"
May47°F75°F61°F3.4"
June58°F84°F71°F5.1"
July62°F86°F74°F4.9"
August61°F84°F72°F5.3"
September53°F79°F65°F2.8"
October42°F66°F53°F2.9"
November30°F51°F40°F2.4"
December18°F36°F27°F2.5"

Did you know?

  • The highest monthly average temperature in South Beloit for July is 74 degrees.
  • The lowest monthly average temperature in South Beloit for January is 23 degrees.
  • The most monthly precipitation in South Beloit occurs in August with 5.3 inches.
  • The air quality index in South Beloit is 24% better than the national average.
  • The pollution index in South Beloit is 88% worse than the national average.

Compare South Beloit, IL Weather To Other Cities

      vs

      South Beloit 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 BeloitIllinoisNational
      Air quality index384150
      Pollution index9,518,9303,347,2955,066,862

      South Beloit air quality information

      MeasurementTotal
      Days measured192
      Days with good air quality171
      Days with moderate air quality21
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      South Beloit air quality information

      PollutantTotal
      Arsenic0.005%
      Benzene0.090%
      Carbon Tetrachloride0.020%
      Lead0.160%
      Mercury0.090%

      Average monthly South Beloit temperature with heat index

      South Beloit monthly precipitation with daily maximum

      South Beloit monthly snow depth with daily maximum

      South Beloit monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Caledonia, IL2323138%
      Machesney Park, IL23,0023138%
      Timberlane, IL1,0233138%
      Candlewick Lake, IL4,6463138%
      Poplar Grove, IL4,7283138%
      South Beloit, IL7,5893824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hawthorn Woods, IL7,5906020%
      Holly Springs, MS7,5914412%
      Franklin, CA7,586548%
      Sanger, TX7,595548%
      Rockton, IL7,5963138%
      South Beloit, IL7,5893824%
      Source: The South Beloit, 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.