TODAY MAY12
TEMPERATURE37
HUMIDITY78
PRESSURE30.4
WIND COND.40 13
  • 5937Mon
  • 6037Tue
  • 6441Wed
  • 6644Thu
  • 7051Fri
daynightWeather update from Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal at

Key findings

  • The highest monthly average temperature in Secor for July is 74.7 degrees
  • The lowest monthly average temperature in Secor for January is 25.5 degrees
  • The most monthly precipitation in Secor occurs in May with 5.5 inches
  • The air quality index in Secor is 12% better than the national average
  • The pollution index in Secor is 53% worse than the national average

Compare Secor, IL Weather

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      Secor 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
      January18°F35°F26°F2.3"
      February19°F36°F27°F1.8"
      March32°F52°F41°F3.1"
      April42°F65°F53°F4.7"
      May53°F75°F63°F5.5"
      June63°F83°F73°F4.4"
      July65°F85°F75°F4.7"
      August63°F84°F73°F4.4"
      September56°F79°F66°F4.9"
      October45°F66°F54°F4.7"
      November33°F52°F42°F3.2"
      December23°F38°F30°F3.1"

      Secor 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.
      IndexSecorIllinoisNational
      Air quality index444150
      Pollution index7,745,2003,347,2955,066,862

      Secor air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Secor air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.860%
      Mercury0.210%

      Average monthly Secor temperature with heat index

      Secor monthly precipitation with daily maximum

      Secor monthly snow depth with daily maximum

      Secor monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dana, IL1210100%
      Benson, IL4584118%
      Metamora, IL3,6324118%
      Washburn, IL1,0074118%
      Deer Creek, IL7714118%
      Secor, IL3694412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Finger, TN3692746%
      Clover, VA3692648%
      Darrtown, OH369688%
      Calion, AR3693530%
      Rensselaer Falls, NY3693530%
      Secor, IL3694412%
      Source: The Secor, 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.