TODAY NOV25
TEMPERATURE54
HUMIDITY71
PRESSURE101150
WIND COND.190 13
  • 4528Tue
  • 4434Wed70%
  • 412580%
  • 3317Fri
  • 3118Sat30%
daynightWeather update from Delaware Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Galena for July is 74.3 degrees
  • The lowest monthly average temperature in Galena for January is 28.8 degrees
  • The most monthly precipitation in Galena occurs in June with 5.3 inches
  • The air quality index in Galena is 9% worse than the national average
  • The pollution index in Galena is 691% worse than the national average

Compare Galena, OH Weather

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      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
      January21°F37°F29°F1.9"
      February21°F39°F29°F1.9"
      March32°F53°F41°F3.6"
      April42°F66°F53°F3.3"
      May52°F75°F63°F3.5"
      June60°F83°F71°F5.3"
      July64°F85°F74°F4.3"
      August62°F84°F73°F2.7"
      September55°F78°F66°F3.7"
      October44°F66°F54°F3.3"
      November33°F54°F43°F2.2"
      December27°F42°F34°F3.0"

      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.
      IndexGalenaOhioNational
      Air quality index464042
      Pollution index21,574,8004,472,3862,726,193

      Galena air quality

      MeasurementTotal
      Days measured365
      Days with good air quality237
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.230%
      Carbon Tetrachloride0.100%
      Lead0.190%
      Mercury0.010%

      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

      CityPopulationAir Quality IndexNational Avg.
      Ashley, OH1,6724118.0%
      Sparta, OH1794118.0%
      Hartford, OH3554118.0%
      Centerburg, OH1,9304118.0%
      Marengo, OH2694118.0%
      Galena, OH753468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Amity, AR7533236.0%
      Aguila, AZ7534314.0%
      Mesa Verde, CA7531374.0%
      Volcano, HI7531668.0%
      Blairstown, IA7533922.0%
      Galena, OH753468.0%
      Source: The Galena, OH 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.