TODAY DEC22
TEMPERATURE28
HUMIDITY43
PRESSURE103420
WIND COND.330 11.2
  • 3224Mon
  • 4327Tue50%
  • 4028
  • 4130Thu
  • 4632Fri
daynightWeather update from Baltimore / Martin at
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Weather Quick Facts

  • The highest monthly average temperature in Havre de Grace for July is 80 degrees
  • The lowest monthly average temperature in Havre de Grace for January is 34.7 degrees
  • The most monthly precipitation in Havre de Grace occurs in May with 8.1 inches
  • The air quality index in Havre de Grace is 9% worse than the national average
  • The pollution index in Havre de Grace is 3% better than the national average

Compare Havre de Grace, MD Weather

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      Havre de Grace 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
      January27°F41°F35°F2.2"
      February28°F45°F37°F1.4"
      March36°F54°F45°F4.8"
      April46°F65°F56°F1.6"
      May55°F73°F65°F8.1"
      June64°F82°F75°F3.0"
      July70°F87°F80°F0.5"
      August67°F84°F76°F1.1"
      September61°F78°F70°F1.7"
      October50°F68°F59°F7.1"
      November39°F57°F48°F2.9"
      December33°F47°F40°F4.4"

      Havre de Grace 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.
      IndexHavre de GraceMarylandNational
      Air quality index464342
      Pollution index2,654,1905,342,3672,726,193

      Havre de Grace air quality

      MeasurementTotal
      Days measured365
      Days with good air quality223
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.000%
      Mercury0.005%

      Average monthly Havre de Grace temperature with heat index

      Havre de Grace monthly precipitation with daily maximum

      Havre de Grace monthly snow depth with daily maximum

      Havre de Grace monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cecilton, MD9014216.0%
      Galena, MD7584216.0%
      Darlington, MD5224510.0%
      Port Deposit, MD6244510.0%
      North East, MD3,5884510.0%
      Havre de Grace, MD13,808468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Forest Park, IL13,8085510.0%
      Bexley, OH13,805468.0%
      Ewa Beach, HI13,8033040.0%
      Highland Park, NJ13,8034118.0%
      Matane, QC13,814n/a 
      Havre de Grace, MD13,808468.0%
      Source: The Havre de Grace, MD 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.