TODAY FEB27
TEMPERATURE30
HUMIDITY92
PRESSURE29.8
WIND COND.180 14.8
  • 4334Sat
  • 4220Sun
  • 3216Mon
  • 4230Tue
  • 4627Wed
daynightWeather update from Dubuque, Dubuque Regional Airport at

Key findings

  • The highest monthly average temperature in Galena for July is 72 degrees
  • The lowest monthly average temperature in Galena for January is 19 degrees
  • The most monthly precipitation in Galena occurs in July with 6.9 inches
  • The air quality index in Galena is 42% better than the national average
  • The pollution index in Galena is 87% better than the national average

Compare Galena, IL Weather

      vs
      How would you rate the weather in Galena?
      Write a review to give others more information about this area.
      How would you rate the air quality in Galena?
      Write a review to give others more information about this area.
      See all Galena poll results

      Galena 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
      January10°F29°F19°F1.4"
      February12°F32°F22°F1.9"
      March25°F47°F36°F2.3"
      April36°F62°F49°F4.9"
      May47°F72°F59°F4.5"
      June58°F81°F69°F5.3"
      July61°F84°F72°F6.9"
      August59°F81°F70°F4.2"
      September51°F76°F63°F3.2"
      October40°F63°F51°F3.4"
      November28°F49°F38°F2.2"
      December15°F33°F24°F2.5"

      Galena 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.
      IndexGalenaIllinoisNational
      Air quality index294150
      Pollution index673,7163,347,2955,066,862

      Galena air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality304
      Days with moderate air quality60
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Galena air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly Galena temperature with heat index

      Galena monthly precipitation with daily maximum

      Galena monthly snow depth with daily maximum

      Galena monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dubuque, IA58,5352942%
      East Dubuque, IL1,6822942%
      Sandy Hook, WI3872942%
      Scales Mound, IL5562942%
      Cuba City, WI2,0762942%
      Galena, IL3,4022942%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Red Oaks Mill, NY3,4023628%
      Ferriday, LA3,4023040%
      Mayfield, OH3,40150= 100
      Mansfield, PA3,4013530%
      Old Mystic, CT3,4033726%
      Galena, IL3,4022942%
      Source: The Galena, 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.