TODAY NOV21
TEMPERATURE36
HUMIDITY67
PRESSURE101120
WIND COND.270 46.4
  • 4633Fri
  • 4935Sat
  • 5749Sun50%
  • 5929Mon50%
  • 4226Tue
daynightWeather update from Mattoon / Charleston, Coles County Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Martinsville for July is 75.5 degrees
  • The lowest monthly average temperature in Martinsville for January is 28.4 degrees
  • The most monthly precipitation in Martinsville occurs in April with 4.9 inches
  • The air quality index in Martinsville is 7% worse than the national average
  • The pollution index in Martinsville is 79% better than the national average

Compare Martinsville, IL Weather

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      Martinsville 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
      January21°F37°F28°F1.5"
      February22°F39°F30°F1.7"
      March35°F54°F44°F2.1"
      April45°F66°F55°F4.9"
      May55°F75°F64°F3.8"
      June64°F84°F74°F4.7"
      July66°F86°F75°F4.2"
      August64°F85°F74°F2.1"
      September57°F79°F67°F3.0"
      October46°F67°F56°F2.9"
      November35°F53°F44°F2.4"
      December27°F41°F33°F2.4"

      Martinsville 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.
      IndexMartinsvilleIllinoisNational
      Air quality index454142
      Pollution index583,0293,148,6942,726,193

      Martinsville air quality

      MeasurementTotal
      Days measured365
      Days with good air quality237
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Martinsville temperature with heat index

      Martinsville monthly precipitation with daily maximum

      Martinsville monthly snow depth with daily maximum

      Martinsville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hidalgo, IL1004020.0%
      Casey, IL2,6554020.0%
      Greenup, IL1,7544020.0%
      Annapolis, IL284510.0%
      Ashmore, IL1,0214510.0%
      Martinsville, IL1,2594510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Alto, GA1,2593726.0%
      Frampton, QC1,259n/a 
      Sanford, CO1,2601570.0%
      Surf City, NJ1,2603726.0%
      Bushyhead, OK1,2584510.0%
      Martinsville, IL1,2594510.0%
      Source: The Martinsville, 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.