TODAY AUG19
TEMPERATURE65
HUMIDITY99
PRESSURE29.98
WIND COND.
  • 8064Mon90%70%
  • 7855Tue30%
  • 7654Wed
  • 7959Thu
  • 8065Fri
daynightWeather update from Galesburg Municipal Airport at

Gilson 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
January17°F34°F24°F3.4"
February18°F36°F26°F3.6"
March32°F52°F41°F3.5"
April41°F65°F52°F6.9"
May52°F74°F63°F7.1"
June62°F83°F72°F7.9"
July65°F86°F75°F8.4"
August63°F84°F73°F7.4"
September54°F78°F65°F8.9"
October44°F66°F54°F5.8"
November32°F52°F41°F4.0"
December22°F37°F29°F4.5"

Did you know?

  • The highest monthly average temperature in Gilson for July is 75 degrees.
  • The lowest monthly average temperature in Gilson for January is 24 degrees.
  • The most monthly precipitation in Gilson occurs in September with 8.9 inches.
  • The air quality index in Gilson is 3% better than the national average.
  • The pollution index in Gilson is 66% better than the national average.

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Compare Gilson, IL Weather To Other Cities

Gilson 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.
IndexGilsonIllinoisNational
Air quality index484150
Pollution index1,709,2303,347,2955,066,862

Gilson air quality information

MeasurementTotal
Days measured365
Days with good air quality207
Days with moderate air quality132
Days w/ poor A.Q. for sensitive groups21
Days with unhealthy air quality5

Gilson air quality information

PollutantTotal
Arsenic0.001%
Benzene0.050%
Carbon Tetrachloride0.040%
Lead0.001%
Mercury0.001%

Average monthly Gilson temperature with heat index

Gilson monthly precipitation with daily maximum

Gilson monthly snow depth with daily maximum

Gilson monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Avon, IL803484%
Farmington, IL2,512484%
London Mills, IL340484%
St. Augustine, IL115484%
Yates City, IL722484%
Gilson, IL160484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Winnett, MT1602452%
Kettlersville, OH1603040%
Gray, IA160484%
Tecolote, NM1604118%
Mellette, SD1602648%
Gilson, IL160484%
Source: The Gilson, 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.