TODAY MAY15
TEMPERATURE65
HUMIDITY25
PRESSURE30.24
WIND COND.290 7.6
  • 6948Sat30%
  • 7051Sun30%
  • 7353Mon30%30%
  • 7755Tue
  • 7458Wed
daynightWeather update from South Haven, South Haven Area Regional Airport at

Key findings

  • The highest monthly average temperature in Hartford for July is 71.6 degrees
  • The lowest monthly average temperature in Hartford for January is 27 degrees
  • The most monthly precipitation in Hartford occurs in October with 5.5 inches
  • The air quality index in Hartford is 22% better than the national average
  • The pollution index in Hartford is 65% better than the national average

Compare Hartford, MI Weather

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      Hartford 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°F34°F27°F2.6"
      February20°F35°F27°F1.8"
      March28°F47°F37°F2.5"
      April37°F60°F48°F4.0"
      May47°F70°F58°F3.5"
      June56°F79°F68°F3.3"
      July61°F82°F72°F3.6"
      August60°F81°F70°F4.8"
      September53°F75°F63°F3.4"
      October43°F63°F53°F5.5"
      November33°F51°F42°F2.7"
      December25°F39°F32°F2.5"

      Hartford 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.
      IndexHartfordMichiganNational
      Air quality index396950
      Pollution index1,797,1304,018,8005,066,862

      Hartford air quality information

      MeasurementTotal
      Days measured260
      Days with good air quality232
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Hartford air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.002%
      Mercury0.000%

      Average monthly Hartford temperature with heat index

      Hartford monthly precipitation with daily maximum

      Hartford monthly snow depth with daily maximum

      Hartford monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Decatur, MI2,0333824%
      Lawrence, MI9823824%
      Paw Paw, MI3,4083824%
      Coloma, MI1,6723922%
      Paw Paw Lake, MI3,7253922%
      Hartford, MI2,6243922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Arnold, CA2,6243922%
      Glencoe, FL2,6243726%
      Spooner, WI2,6243530%
      Middletown, IN2,6244216%
      Venetian Village, IL2,6233922%
      Hartford, MI2,6243922%
      Source: The Hartford, MI 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.