TODAY JUN07
TEMPERATURE66
HUMIDITY50
PRESSURE30.04
WIND COND.70 9.2
  • 8864Sun
  • 8971Mon
  • 8365Tue60%80%
  • 7859Wed40%30%
  • 7857Thu
daynightWeather update from Decatur Airport at
How would you rate the weather in Niantic?
Write a review to give others more information about this area.
How would you rate the air quality in Niantic?
Write a review to give others more information about this area.
See all Niantic poll results

Niantic 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
January24°F38°F31°F6.8"
February23°F37°F29°F3.4"
March35°F56°F45°F3.0"
April43°F65°F54°F4.2"
May54°F78°F66°F3.1"
June64°F86°F75°F8.1"
July65°F86°F76°F4.0"
August68°F89°F78°F3.9"
September59°F85°F72°F7.7"
October49°F71°F60°F7.1"
November37°F56°F45°F6.1"
December24°F37°F30°F2.5"

Did you know?

  • The highest monthly average temperature in Niantic for August is 78 degrees.
  • The lowest monthly average temperature in Niantic for February is 29 degrees.
  • The most monthly precipitation in Niantic occurs in June with 8.1 inches.
  • The air quality index in Niantic is 22% better than the national average.
  • The pollution index in Niantic is 1% worse than the national average.

Compare Niantic, IL Weather To Other Cities

      vs

      Niantic 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.
      IndexNianticIllinoisNational
      Air quality index394150
      Pollution index5,136,0803,347,2955,066,862

      Niantic air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality293
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Niantic air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.090%
      Carbon Tetrachloride0.010%
      Lead0.390%
      Mercury0.020%

      Average monthly Niantic temperature with heat index

      Niantic monthly precipitation with daily maximum

      Niantic monthly snow depth with daily maximum

      Niantic monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Buffalo, IL5033530%
      Edinburg, IL1,1563530%
      Cornland, IL703530%
      Broadwell, IL1523530%
      Mechanicsburg, IL6233530%
      Niantic, IL5303922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cuyamungue, NM5304118%
      Paradise Park, CA5303628%
      Gays Mills, WI5304020%
      Mark, IL530198%
      La Fargeville, NY5303138%
      Niantic, IL5303922%
      Source: The Niantic, 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.