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Key findings

  • The highest monthly average temperature in New Boston for July is 76 degrees
  • The lowest monthly average temperature in New Boston for January is 26 degrees
  • The most monthly precipitation in New Boston occurs in June with 6.7 inches
  • The air quality index in New Boston is 36% better than the national average
  • The pollution index in New Boston is 87% better than the national average

Compare New Boston, IL Weather

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      New Boston 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°F1.8"
      February19°F37°F27°F1.7"
      March34°F53°F42°F3.5"
      April45°F66°F55°F5.3"
      May54°F75°F64°F4.8"
      June64°F84°F74°F6.7"
      July67°F86°F76°F5.2"
      August66°F85°F75°F6.2"
      September58°F80°F68°F3.5"
      October46°F65°F55°F3.9"
      November37°F54°F45°F2.2"
      December22°F37°F29°F3.1"

      New Boston 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.
      IndexNew BostonIllinoisNational
      Air quality index324150
      Pollution index640,4993,347,2955,066,862

      New Boston air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality300
      Days with moderate air quality65
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      New Boston air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.003%
      Mercury0.000%

      Average monthly New Boston temperature with heat index

      New Boston monthly precipitation with daily maximum

      New Boston monthly snow depth with daily maximum

      New Boston monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mediapolis, IA1,5362942%
      Letts, IA4103236%
      Oakville, IA1573236%
      Wapello, IA1,9223236%
      Aledo, IL3,4633236%
      New Boston, IL5483236%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Prinsburg, MN5483236%
      Dupree, SD5484412%
      Marble, MN5483530%
      Crawfordsville, AR5484510%
      Arkansas City, AR5484314%
      New Boston, IL5483236%
      Source: The New Boston, 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.