TODAY NOV20
TEMPERATURE49
HUMIDITY74
PRESSURE30.15
WIND COND.140 11.4
  • 5832Thu90%
  • 4330Fri
  • 4228Sat
  • 4530Sun
  • 4936Mon
daynightWeather update from University of Illinois - Willard at
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Garrett Average Temperature

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
January22°F36°F29°F6.9"
February19°F34°F26°F3.4"
March33°F54°F42°F3.3"
April41°F65°F52°F5.8"
May52°F78°F65°F3.4"
June63°F85°F74°F6.1"
July63°F83°F73°F5.8"
August65°F86°F75°F5.4"
September57°F83°F69°F7.0"
October46°F69°F57°F5.6"
November33°F53°F42°F7.3"
December21°F35°F27°F3.7"

Did you know?

  • The highest monthly average temperature in Garrett for August is 75 degrees.
  • The lowest monthly average temperature in Garrett for February is 26 degrees.
  • The most monthly precipitation in Garrett occurs in November with 7.3 inches.
  • The air quality index in Garrett is 28% better than the national average.
  • The pollution index in Garrett is 86% better than the national average.

Compare Garrett, IL Weather To Other Cities

Garrett 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.
IndexGarrettIllinoisNational
Air quality index364150
Pollution index703,2183,347,2955,066,862

Garrett air quality information

MeasurementTotal
Days measured365
Days with good air quality311
Days with moderate air quality54
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Garrett air quality information

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

Average monthly Garrett temperature with heat index

Garrett monthly precipitation with daily maximum

Garrett monthly snow depth with daily maximum

Garrett monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Pesotum, IL5143628%
Tolono, IL3,1013628%
Atwood, IL1,1063628%
Humboldt, IL4833628%
Philo, IL1,6273628%
Garrett, IL793628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rome, OH791962%
Faxon, OK794216%
Ree Heights, SD792648%
Uncertain, TX793922%
Glen Lyn, VA793530%
Garrett, IL793628%
Source: The Garrett, 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.
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