TODAY JUN18
TEMPERATURE91
HUMIDITY53
PRESSURE30.01
WIND COND.180 8.1
  • 9574Mon
  • 9172Tue30%30%
  • 8871Wed50%40%
  • 8568Thu60%60%
  • 8568Fri40%40%
daynightWeather update from Salem, Salem-Leckrone Airport at

Smithboro 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-8°F68°F32°Fn/a
February0°F70°F32°Fn/a
March12°F79°F45°Fn/a
April21°F88°F54°Fn/a
May36°F91°F64°Fn/a
June50°F95°F73°Fn/a
July55°F99°F75°Fn/a
August48°F106°F76°Fn/a
September39°F99°F68°Fn/a
October25°F93°F55°Fn/a
November18°F75°F45°Fn/a
December1°F64°F33°Fn/a

Did you know?

  • The highest monthly average temperature in Smithboro for August is 76 degrees.
  • The lowest monthly average temperature in Smithboro for January is 32 degrees.
  • The most monthly precipitation in Smithboro occurs in January with 0 inches.
  • The air quality index in Smithboro is 25% better than the national average.
  • The pollution index in Smithboro is 87% better than the national average.

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Compare Smithboro, IL Weather To Other Cities

Smithboro 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.
IndexSmithboroIllinoisNational
Air quality index374150
Pollution index647,2803,347,2955,066,862

Smithboro air quality information

MeasurementTotal
Days measured214
Days with good air quality201
Days with moderate air quality13
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Smithboro air quality information

PollutantTotal
Arsenic0.001%
Benzene0.020%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Smithboro temperature with heat index

Smithboro monthly precipitation with daily maximum

Smithboro monthly snow depth with daily maximum

Smithboro monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Coffeen, IL6083726%
Mulberry Grove, IL6703726%
Vandalia, IL6,7583726%
Vernon, IL1113922%
Greenville, IL6,8333922%
Smithboro, IL1713726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Moscow, MD1713236%
Bay Center, WA1712158%
Venetie, AK1713726%
Galt, MO1714510%
Broughton, IL1713922%
Smithboro, IL1713726%
Source: The Smithboro, 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.