TODAY MAY25
TEMPERATURE75
HUMIDITY76
PRESSURE29.98
WIND COND.140 5.8
  • 8367Tue30%50%
  • 8167Wed30%60%
  • 8066Thu50%
  • 7962Fri
  • 7659Sat
daynightWeather update from Southern Illinois Airport at
How would you rate the weather in Anna?
Write a review to give others more information about this area.
How would you rate the air quality in Anna?
Write a review to give others more information about this area.
See all Anna poll results

Anna 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
January30°F44°F36°F7.5"
February28°F46°F36°F4.9"
March38°F61°F49°F4.2"
April45°F67°F56°F5.8"
May55°F79°F67°F4.4"
June65°F87°F76°F5.4"
July66°F87°F76°F3.6"
August69°F92°F80°F3.8"
September60°F85°F71°F5.0"
October48°F73°F59°F5.5"
November38°F59°F48°F11.1"
December28°F45°F36°F6.7"

Did you know?

  • The highest monthly average temperature in Anna for August is 80 degrees.
  • The lowest monthly average temperature in Anna for February is 36 degrees.
  • The most monthly precipitation in Anna occurs in November with 11.1 inches.
  • The air quality index in Anna is 28% better than the national average.
  • The pollution index in Anna is 54% better than the national average.

Compare Anna, IL Weather To Other Cities

      vs

      Anna 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.
      IndexAnnaIllinoisNational
      Air quality index364150
      Pollution index2,331,2203,347,2955,066,862

      Anna air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality298
      Days with moderate air quality67
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Anna air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.002%
      Mercury0.260%

      Average monthly Anna temperature with heat index

      Anna monthly precipitation with daily maximum

      Anna monthly snow depth with daily maximum

      Anna monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cypress, IL2323628%
      Makanda, IL5903628%
      Alto Pass, IL3823628%
      Dongola, IL7873628%
      Jonesboro, IL2,0053628%
      Anna, IL4,3323628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Boalsburg, PA4,3313922%
      Hamburg, PA4,3334510%
      Springville, NY4,3344118%
      Coopersville, MI4,3293922%
      Carver, MN4,3284412%
      Anna, IL4,3323628%
      Source: The Anna, 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.