TODAY AUG17
TEMPERATURE78
HUMIDITY76
PRESSURE29.98
WIND COND.360 6.9
  • 8563Sat
  • 8566Sun
  • 7762Mon60%60%
  • 7755Tue40%30%
  • 7755Wed
daynightWeather update from Clinton, Clinton Municipal Airport at

Savanna 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
January15°F32°F23°F2.0"
February16°F34°F25°F2.7"
March31°F50°F39°F5.0"
April41°F64°F51°F6.5"
May51°F75°F62°F4.6"
June61°F83°F71°F8.9"
July64°F85°F74°F4.5"
August61°F83°F72°F4.9"
September54°F78°F65°F3.6"
October43°F64°F53°F3.1"
November32°F50°F40°F2.9"
December20°F35°F28°F4.0"

Did you know?

  • The highest monthly average temperature in Savanna for July is 74 degrees.
  • The lowest monthly average temperature in Savanna for January is 23 degrees.
  • The most monthly precipitation in Savanna occurs in June with 8.9 inches.
  • The air quality index in Savanna is 6% worse than the national average.
  • The pollution index in Savanna is 68% better than the national average.

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Compare Savanna, IL Weather To Other Cities

Savanna 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.
IndexSavannaIllinoisNational
Air quality index534150
Pollution index1,592,9103,347,2955,066,862

Savanna air quality information

MeasurementTotal
Days measured365
Days with good air quality158
Days with moderate air quality204
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Savanna air quality information

PollutantTotal
Arsenic0.090%
Benzene0.030%
Carbon Tetrachloride0.000%
Lead0.010%
Mercury0.010%

Average monthly Savanna temperature with heat index

Savanna monthly precipitation with daily maximum

Savanna monthly snow depth with daily maximum

Savanna monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bellevue, IA2,193536%
Sabula, IA448536%
Mount Carroll, IL1,565536%
Goose Lake, IA275536%
Spragueville, IA107536%
Savanna, IL2,994536%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Shady Cove, OR2,994468%
Beechwood Trails, OH2,9944314%
Cienegas Terrace, TX2,994285470%
Riverview, DE2,9933824%
Tipton, CA2,9937448%
Savanna, IL2,994536%
Source: The Savanna, 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.