TODAY NOV21
TEMPERATURE37
HUMIDITY61
PRESSURE101150
WIND COND.
  • 4531Fri
  • 4834Sat
  • 5746Sun
  • 5526Mon40%
  • 4025Tue
daynightWeather update from Decatur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hammond for July is 76.3 degrees
  • The lowest monthly average temperature in Hammond for January is 28.3 degrees
  • The most monthly precipitation in Hammond occurs in June with 5 inches
  • The air quality index in Hammond is 5% worse than the national average
  • The pollution index in Hammond is 74% better than the national average

Compare Hammond, IL Weather

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      Hammond 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
      January20°F38°F28°F1.5"
      February22°F40°F30°F1.8"
      March34°F55°F43°F2.3"
      April44°F67°F55°F4.2"
      May54°F76°F65°F4.6"
      June64°F85°F74°F5.0"
      July66°F87°F76°F3.8"
      August64°F86°F75°F2.7"
      September57°F80°F68°F3.5"
      October46°F68°F56°F3.6"
      November35°F54°F44°F2.7"
      December26°F41°F33°F3.1"

      Hammond 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.
      IndexHammondIllinoisNational
      Air quality index444142
      Pollution index703,2183,148,6942,726,193

      Hammond air quality

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Hammond temperature with heat index

      Hammond monthly precipitation with daily maximum

      Hammond monthly snow depth with daily maximum

      Hammond monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Garrett, IL1184216.0%
      Ivesdale, IL2504216.0%
      Humboldt, IL4464216.0%
      Sadorus, IL3574216.0%
      Atwood, IL1,1264216.0%
      Hammond, IL5304412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Trafford, AL530536.0%
      Fort Green Springs, FL5303628.0%
      San Jose, IL5304118.0%
      Manitou, KY5304314.0%
      Woodland, MI5303628.0%
      Hammond, IL5304412.0%
      Source: The Hammond, 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.