TODAY JUL23
TEMPERATURE81
HUMIDITY56
PRESSURE29.85
WIND COND.350 13.9
  • 8667Mon
  • 8969Tue
  • 9169Wed
  • 9270Thu
  • 8969Fri
daynightWeather update from Cape Girardeau, Cape Girardeau Regional Airport at

Anna Average Weather

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
January-1°F68°F36°F2.7"
February5°F72°F36°F2.7"
March16°F82°F48°F5.0"
April23°F88°F57°F4.7"
May34°F92°F66°F4.0"
June52°F97°F76°F2.7"
July55°F97°F77°F4.9"
August50°F103°F77°F2.4"
September39°F97°F69°F3.1"
October25°F93°F57°F4.7"
November17°F81°F47°F2.8"
December1°F72°F37°F3.6"

Did you know?

  • The highest monthly average temperature in Anna for August is 77 degrees.
  • The lowest monthly average temperature in Anna for January is 36 degrees.
  • The most monthly precipitation in Anna occurs in March with 5 inches.
  • The air quality index in Anna is 27% better than the national average.
  • The pollution index in Anna is 53% better than the national average.

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Compare Anna, IL Weather To Other Cities

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.
Alto Pass, IL3823628%
Dongola, IL7873628%
Jonesboro, IL2,0053628%
Mill Creek, IL413628%
Buncombe, IL1793628%
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.