TODAY AUG21
TEMPERATURE70
HUMIDITY87
PRESSURE29.89
WIND COND.230 8.1
  • 8260Wed
  • 8161Thu
  • 8470Fri20%
  • 8972Sat
  • 9171Sun
daynightWeather update from Cape Girardeau, Cape Girardeau Regional Airport at

Belknap 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
January28°F46°F36°F5.4"
February30°F48°F38°F3.9"
March40°F60°F49°F7.8"
April49°F72°F60°F8.6"
May58°F79°F67°F6.3"
June67°F88°F77°F6.6"
July69°F88°F78°F6.4"
August67°F88°F77°F6.0"
September59°F82°F70°F5.5"
October48°F72°F59°F5.5"
November38°F59°F47°F5.8"
December32°F48°F39°F6.3"

Did you know?

  • The highest monthly average temperature in Belknap for July is 78 degrees.
  • The lowest monthly average temperature in Belknap for January is 36 degrees.
  • The most monthly precipitation in Belknap occurs in April with 8.6 inches.
  • The air quality index in Belknap is 27% better than the national average.
  • The pollution index in Belknap is 69% better than the national average.

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Compare Belknap, IL Weather To Other Cities

Belknap 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.
IndexBelknapIllinoisNational
Air quality index364150
Pollution index1,566,3403,347,2955,066,862

Belknap 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

Belknap air quality information

PollutantTotal
Arsenic0.001%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.000%
Mercury0.000%

Average monthly Belknap temperature with heat index

Belknap monthly precipitation with daily maximum

Belknap monthly snow depth with daily maximum

Belknap monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Cypress, IL2323628%
Metropolis, IL6,3663628%
Pulaski, IL2063628%
Bandana, KY2513628%
Dongola, IL7873628%
Belknap, IL543628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Orient, SD542648%
La Salle, MN543530%
Osterdock, IA543236%
Shannon City, IA544118%
Sour John, OK542158%
Belknap, IL543628%
Source: The Belknap, 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.